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22 tháng 10 2020

1. You should take the train instead of the bus.

-> If I were you, I'd take the train instead of the bus.

2. I'm sure that someone forgot to lock the door.

--> Someone must have forgotten to lock the door.

3. They bought this house ten years ago.

--> They have owned this house for ten years.

4. The course finished with a big party.

--> At the end of the course, there was a big party.

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star that we invited onto the chatshow didn't turn up.

2 tháng 11 2017

viết lại câu giup mk voi nhe

1. You should take the train instead of the bus.

if I were you I would take the train instead of the bus

2. I'm sure that someone forgot to lock the door.

Someone must have forgotten to lock the door.

3. They bought this house ten years ago.

They have bought this house for ten years

4. The course finished with a big party.

At the end of the couse had a big party

5. We invited a pop star onto the chat show, but he didn't turn up.

the pop star didn't turn up the chat show even though we invited him onto

2 tháng 11 2017

viết lại câu giup mk voi nhe

1. You should take the train instead of the bus.

=> If I were you, I would take the train instead of the bus.

2. I'm sure that someone forgot to lock the door.

=> Someone must have forgotten to lock the door.

3. They bought this house ten years ago.

=> This house was bought ten years ago.

4. The course finished with a big party.

=> At the end of the course had a big party.

5. We invited a pop star onto the chat show, but he didn't turn up.

=> The pop star didn't turn up although we invited him onto the chat show.

Exercise 1: Rerwite the following sentences that keep the same meaning. 1. You should take the train instead of the bus. -> If................................................ .................................................. .................. 2. I'm sure that someone forgot to lock the door. --> Someone must.............................................. ................................................. 3. They bought this house ten years ago. --> They...
Đọc tiếp

Exercise 1: Rerwite the following sentences that keep the same meaning.

1. You should take the train instead of the bus.

-> If................................................ .................................................. ..................

2. I'm sure that someone forgot to lock the door.

--> Someone must.............................................. .................................................

3. They bought this house ten years ago.

--> They have.............................................. .................................................. .....

4. The course finished with a big party.

--> At the end............................................... .................................................. ....

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star.............................................. .................................................. ..

6. Although she said that she would come, I don't think she ever will.

—> Despite........................................... .................................................. ...........

7. The plane had hardly left the airport when the accident happened.

--> No sooner............................................ .................................................. .......

8. You feel tired now because you didn't sleep very well last night.

-> Had............................................... .................................................. ..............

9. When did you start the project?

—> How long.............................................. .................................................. ....

10. Their wedding will be held in a lovely church.

--> The church............................................ .................................................. ......

2
26 tháng 12 2016

1. You should take the train instead of the bus.

-> If I were you I would take the train instead of the bus.

2. I'm sure that someone forgot to lock the door.

--> Someone must have forgotten to lock the door.

3. They bought this house ten years ago.

--> They have bought this house for ten years.

4. The course finished with a big party.

--> At the end of the couse had a big party.

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star didn't turn up the chat show even though we invited him onto.

6. Although she said that she would come, I don't think she ever will.

—> Despite the fact that she said she would come, I don''t think she ever will.

7. The plane had hardly left the airport when the accident happened.

--> No sooner had the plane hardly left the airport than the accident happened.

8. You feel tired now because you didn't sleep very well last night.

--> Had you slept well last night, you would not feel tired now. (câu điều kiện hỗn hợp)

9. When did you start the project?

—> How long have you started the project?

10. Their wedding will be held in a lovely church.

--> The church is the lovely place in which their wedding will be held.

26 tháng 12 2016

Exercise 1: Rerwite the following sentences that keep the same meaning.

1. You should take the train instead of the bus.

-> If I were you, I'd take the train instead of the bus.

2. I'm sure that someone forgot to lock the door.

--> Someone must have forgotten to lock the door.

3. They bought this house ten years ago.

--> They have had/ owned this house for ten years.

4. The course finished with a big party.

--> At the end of the course, there was a big party.

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star that we invited onto the chatshow didn't turn up.

6. Although she said that she would come, I don't think she ever will.

--> Despite her saying that she would come, I don't think she ever will.

7. The plane had hardly left the airport when the accident happened.

--> No sooner had the plane left the airport than the accident happened.

8. You feel tired now because you didn't sleep very well last night.

--> Had you slept well last night, you wouldn't feel tired now.

9. When did you start the project?

--> How long is it since you started the project ?

10. Their wedding will be held in a lovely church.

--> The church where their wedding will be held is lovely.

GOOD LUCK

Exercise 1: Rerwite the following sentences that keep the same meaning. 1. You should take the train instead of the bus. -> If................................................ .................................................. .................. 2. I'm sure that someone forgot to lock the door. --> Someone must.............................................. ................................................. 3. They bought this house ten years ago. --> They...
Đọc tiếp

Exercise 1: Rerwite the following sentences that keep the same meaning.

1. You should take the train instead of the bus.

-> If................................................ .................................................. ..................

2. I'm sure that someone forgot to lock the door.

--> Someone must.............................................. .................................................

3. They bought this house ten years ago.

--> They have.............................................. .................................................. .....

4. The course finished with a big party.

--> At the end............................................... .................................................. ....

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star.............................................. .................................................. ..

6. Although she said that she would come, I don't think she ever will.

—> Despite........................................... .................................................. ...........

7. The plane had hardly left the airport when the accident happened.

--> No sooner............................................ .................................................. .......

8. You feel tired now because you didn't sleep very well last night.

-> Had............................................... .................................................. ..............

9. When did you start the project?

—> How long.............................................. .................................................. ....

10. Their wedding will be held in a lovely church.

--> The church............................................ .................................................. ......

2
31 tháng 12 2016

Exercise 1: Rerwite the following sentences that keep the same meaning.

1. You should take the train instead of the bus.

-> If I were you, I'd take the train instead of the bus.

2. I'm sure that someone forgot to lock the door.

--> Someone must have forgotten to lock the door.

3. They bought this house ten years ago.

--> They have had/ owned this house for ten years.

4. The course finished with a big party.

--> At the end of the course, there was a big party.

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star that/ who/ whom we invited onto the chatshow didn't turn up.

6. Although she said that she would come, I don't think she ever will.

—> Despite her saying that she would come, I don't think she ever will.

7. The plane had hardly left the airport when the accident happened.

--> No sooner had the plane left the airport than the accident happened.

8. You feel tired now because you didn't sleep very well last night.

-> Had you slept well last night, you wouldn't feel tired now.

9. When did you start the project?

—> How long is it since you started the project ?

10. Their wedding will be held in a lovely church.

--> The church where their wedding will be held is lovely.

Good luck to you !

31 tháng 12 2016

l. If I were you, I'd take the train instead of the bus.
2. Someone must have forgotten to lock the door.
3. They have had/ owned this house for ten years.
4. At the end of the course, there was a big party.
5. The pop star that/ who/ whom we invited onto the chats how didn't turn up.
6. Despite her saying that she would come, I don't think she ever will.
7. No sooner had the plane left the airport than the accident happened.
8. Had you slept well last night, you wouldn't feel tired now.
9. How long is it since you started the project?
10. The church where their wedding will be held is lovely.

Rerwite the following sentences that keep the same meaning. 1. You should take the train instead of the bus. -> If................................................ .................................................. .................. 2. I'm sure that someone forgot to lock the door. --> Someone must.............................................. ................................................. 3. They bought this house ten years ago. --> They...
Đọc tiếp

Rerwite the following sentences that keep the same meaning.

1. You should take the train instead of the bus.

-> If................................................ .................................................. ..................

2. I'm sure that someone forgot to lock the door.

--> Someone must.............................................. .................................................

3. They bought this house ten years ago.

--> They have.............................................. .................................................. .....

4. The course finished with a big party.

--> At the end............................................... .................................................. ....

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star.............................................. .................................................. ..

6. Although she said that she would come, I don't think she ever will.

—> Despite........................................... .................................................. ...........

7. The plane had hardly left the airport when the accident happened.

--> No sooner............................................ .................................................. .......

8. You feel tired now because you didn't sleep very well last night.

-> Had............................................... .................................................. ..............

9. When did you start the project?

—> How long.............................................. .................................................. ....

10. Their wedding will be held in a lovely church.

--> The church............................................ .................................................. ......

Exercise 2: Rerwite the following sentences that keep the same meaning.

1. My father used to play football when he was young.

—> My father doesn't........................................... .................................................. .. ,

2. Jane gave me a present on my last birthday.

—> I was............................................... .................................................. .................

3. "Let's go swimming".

—> She suggests.......................................... .................................................. .......

4. "Would you like a cup of coffee?"

—> He................................................ .................................................. ................

5. We got lost in the jungle because we didn't have a map.

—> If we had............................................... .................................................. .......

6. I last saw Bob when I was in Ho Chi Minh City.

—> I haven't seen.............................................. .................................................. ..

7. It is a three-hour drive from Hanoi to Namdinh.

—> It takes............................................. .................................................. ............

8. It's a pity you didn't tell us about this.

—> I wish.............................................. .................................................. .............

9. They think the owner of the house is abroad.

—> The owner............................................. .................................................. ......

10. The children couldn't go swimming because the sea was very rough.

—> The sea was too............................................... ..................................................

2
6 tháng 10 2017

Rerwite the following sentences that keep the same meaning.

1. You should take the train instead of the bus.

-> If I were you, I'd take the train instead of the bus

2. I'm sure that someone forgot to lock the door.

--> Someone must forgot locking the door

3. They bought this house ten years ago.

--> They have bought this house for 10 years

4. The course finished with a big party.

--> At the end of the couse had a big party

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star who we invited onto the chatshow didn't turn up.

6. Although she said that she would come, I don't think she ever will.

—>Despite her saying that she would come, I don't think she ever will.

7. The plane had hardly left the airport when the accident happened.

--> No sooner had the plane left the airport then the accident happened.

8. You feel tired now because you didn't sleep very well last night.

->Had you slept well last night, you wouldn't feel tired now.

9. When did you start the project?

—> How long is it since you started the project ?

10. Their wedding will be held in a lovely church.

--> The church where their wedding will be held is lovely.

Exercise 2: Rerwite the following sentences that keep the same meaning.

1. My father used to play football when he was young.

—>My father doesn't play football anymore.

2. Jane gave me a present on my last birthday.

—>I was given a present on my last birthday by Jane.

3. "Let's go swimming".

—> She suggests going swimming.

4. "Would you like a cup of coffee?"

—> He invited me a cup of tea.

5. We got lost in the jungle because we didn't have a map.

—> If we had had a map, I wouldn't got lost in the jungle

6. I last saw Bob when I was in Ho Chi Minh City.

—> I haven't seen Bob since I was in Ho Chi Minh City.

7. It is a three-hour drive from Hanoi to Namdinh.

—>It takes three hours to drive from Hanoi to Namdinh.

8. It's a pity you didn't tell us about this.

—> I wish you had told us about it.

9. They think the owner of the house is abroad.

—> The owner of the house is thought to be abroad.

10. The children couldn't go swimming because the sea was very rough.

—> The sea was too rough for the children to go swimming.

6 tháng 10 2017

Rerwite the following sentences that keep the same meaning.

1. You should take the train instead of the bus.

-> If I were you, I'd take the train instead of the bus.

2. I'm sure that someone forgot to lock the door.

--> Someone must have forgotten to lock the door.

3. They bought this house ten years ago.

--> They have had/ owned this house for ten years.

4. The course finished with a big party.

--> At the end of the course, there was a big party.

5. We invited a pop star onto the chat show, but he didn't turn up.

--> The pop star that/ who/ whom we invited onto the chatshow didn't turn up.

6. Although she said that she would come, I don't think she ever will.

—> Despite her saying that she would come, I don't think she ever will.

7. The plane had hardly left the airport when the accident happened.

--> No sooner had the plane left the airport than the accident happened.

8. You feel tired now because you didn't sleep very well last night.

-> Had you slept well last night, you wouldn't feel tired now.

9. When did you start the project?

—> How long is it since you started the project ?

10. Their wedding will be held in a lovely church.

--> The church where their wedding will be held is lovely.

Exercise 2: Rerwite the following sentences that keep the same meaning.

1. My father used to play football when he was young.

—> My father doesn't play football anymore.

2. Jane gave me a present on my last birthday.

—> I was given a present on my last birthday.

3. "Let's go swimming".

—> She suggests going swimming.

4. "Would you like a cup of coffee?"

—> He invited me a cup of tea.

5. We got lost in the jungle because we didn't have a map.

—> If we had a map, I wouldn't got lost in the jungle.

6. I last saw Bob when I was in Ho Chi Minh City.

—> I haven't seen Bob since I was in Ho Chi Minh City

7. It is a three-hour drive from Hanoi to Namdinh.

—> It takes three hours to drive from Hanoi to Namdinh.

8. It's a pity you didn't tell us about this.

—> I wish you had told us about it.

9. They think the owner of the house is abroad.

—> The owner of the house is thought to be abroad.

10. The children couldn't go swimming because the sea was very rough.

—> The sea was too rough for the children to go swimming.

Exercise 2: Rerwite the following sentences that keep the same meaning. 1. My father used to play football when he was young. My father doesn't........................................... .................................................. .. , 2. Jane gave me a present on my last birthday. I was............................................... .................................................. ................. 3. "Let's go swimming" She suggests.............................................
Đọc tiếp

Exercise 2: Rerwite the following sentences that keep the same meaning.

1. My father used to play football when he was young.

My father doesn't........................................... .................................................. .. ,

2. Jane gave me a present on my last birthday.

I was............................................... .................................................. .................

3. "Let's go swimming"

She suggests.......................................... .................................................. .......

4. "Would you like a cup of coffee?"

He................................................ .................................................. ................

5. We got lost in the jungle because we didn't have a map.

If we had............................................... .................................................. .......
6.1 last saw Bob when I was in Ho Chi Minh City.
I haven't seen.............................................. .................................................. ..

7. It is a three-hour drive from Hanoi to Namdinh.

It takes............................................. .................................................. ............

8. It's a pity you didn't tell us about this.

I wish.............................................. .................................................. .............

9. They think the owner of the house is abroad.

The owner............................................. .................................................. ......

10. The children couldn't go swimming because the sea was very rough.

The sea was too............................................... .................................................. ....................

5
26 tháng 12 2016

1. My father used to play football when he was young.

--> My father doesn't play football anymore.

2. Jane gave me a present on my last birthday.

-> I was given a present on my last birthday by Jane

3. "Let's go swimming"

--> She suggests going swimming.

4. "Would you like a cup of coffee?"

--> He invited me a cup of coffee.

5. We got lost in the jungle because we didn't have a map.

-> If we had had a map we would not have got lost in the jungle

6. I last saw Bob when I was in Ho Chi Minh City.

-> I haven't seen Bob since I was in Ho Chi Minh city

7. It is a three-hour drive from Hanoi to Namdinh.

-> It takes 3 hours to drive from HaNoi to NamDinh.

8. It's a pity you didn't tell us about this.

-> I wish you had told us about this

9. They think the owner of the house is abroad.

->The owner of the house is thought to be abroad.

10. The children couldn't go swimming because the sea was very rough.

-> The sea was too rough for the children to swim.

26 tháng 12 2016

Exercise 2: Rerwite the following sentences that keep the same meaning.

1. My father used to play football when he was young.

-> My father doesn't play football anymore.

2. Jane gave me a present on my last birthday.

-> 1 was given a present on my last birthday

3. "Let's go swimming"

-> She suggests going swimming

4. "Would you like a cup of coffee?"

-> He invited me a cup of tea

5. We got lost in the jungle because we didn't have a map.

-> If we had had a map, I wouldn't got lost in the jungle.

6.1 last saw Bob when I was in Ho Chi Minh City

-> 1 haven't seen Bob since I was in Ho Chi Minh City

7. It is a three-hour drive from Hanoi to Namdinh.

-> It takes three hours to drive from Hanoi to Namdinh

8. It's a pity you didn't tell us about this.

-> 1 wish you had told us about it

9. They think the owner of the house is abroad.

-> The owner of the house is thought to be abroad

10. The children couldn't go swimming because the sea was very rough.

-> The sea was too rough for the children to go swimming

Rerwite the following sentences that keep the same meaning. 1. My father used to play football when he was young. My father doesn't........................................... .................................................. .. , 2. Jane gave me a present on my last birthday. I was............................................... .................................................. ................. 3. "Let's go swimming". She suggests.............................................
Đọc tiếp

Rerwite the following sentences that keep the same meaning.

1. My father used to play football when he was young.

My father doesn't........................................... .................................................. .. ,

2. Jane gave me a present on my last birthday.

I was............................................... .................................................. .................

3. "Let's go swimming".

She suggests.......................................... .................................................. .......

4. "Would you like a cup of coffee?"

He................................................ .................................................. ................

5. We got lost in the jungle because we didn't have a map.

If we had............................................... .................................................. .......

6.I last saw Bob when I was in Ho Chi Minh City.

I haven't seen.............................................. .................................................. ..

7. It is a three-hour drive from Hanoi to Namdinh.

It takes............................................. .................................................. ............

8. It's a pity you didn't tell us about this.

I wish.............................................. .................................................. .............

9. They think the owner of the house is abroad.

The owner............................................. .................................................. ......

10. The children couldn't go swimming because the sea was very rough.

The sea was too............................................... ..................................................

2
20 tháng 10 2020

Rerwite the following sentences that keep the same meaning.

1. My father used to play football when he was young.

My father doesn't doesn't play football anymore.

2. Jane gave me a present on my last birthday.

I was given a present on my last birthday.

3. "Let's go swimming".

She suggests going swimming.

4. "Would you like a cup of coffee?"

He invited me a cup of tea

5. We got lost in the jungle because we didn't have a map.

If we had a map, I wouldn't got lost in the jungle.

6.I last saw Bob when I was in Ho Chi Minh City.

I haven't seen seen Bob since I was in Ho Chi Minh City.

7. It is a three-hour drive from Hanoi to Namdinh.

It takes three hours to drive from Hanoi to Namdinh.

8. It's a pity you didn't tell us about this.

I wish you had told us about it.

9. They think the owner of the house is abroad.

The owner of the house is thought to be abroad.

10. The children couldn't go swimming because the sea was very rough.

The sea was too rough for the children to go swimming.

22 tháng 10 2020

1. My father used to play football when he was young.

My father doesn't doesn't play football anymore.

2. Jane gave me a present on my last birthday.

I was given a present on my last birthday.

3. "Let's go swimming".

She suggests going swimming.

4. "Would you like a cup of coffee?"

He invited me a cup of tea

5. We got lost in the jungle because we didn't have a map.

If we had a map, I wouldn't got lost in the jungle.

6.I last saw Bob when I was in Ho Chi Minh City.

I haven't seen seen Bob since I was in Ho Chi Minh City.

7. It is a three-hour drive from Hanoi to Namdinh.

It takes three hours to drive from Hanoi to Namdinh.

8. It's a pity you didn't tell us about this.

I wish you had told us about it.

9. They think the owner of the house is abroad.

The owner of the house is thought to be abroad.

10. The children couldn't go swimming because the sea was very rough.

The sea was too rough for the children to go swimming.

Bài tập 3: Hoàn thành các câu sau 1 .A: “There's someone at the door.” B: “I _________________________ (get) it.” 2.Joan thinks the Conservatives ________________________ (win) the next election. 3.A: “I’m moving house tomorrow.” B: “I _________________________ (come) and help you.” 4.If she passes the exam, she _________________________ (be) very happy. 5.I _________________________ (be) there at four o'clock, I promise. 6.A: “I’m cold.” B: “I _________________________ (turn) on the...
Đọc tiếp

Bài tập 3: Hoàn thành các câu sau

1 .A: “There's someone at the door.”
B: “I _________________________ (get) it.”

2.Joan thinks the Conservatives ________________________ (win) the next election.
3.A: “I’m moving house tomorrow.”
B: “I _________________________ (come) and help you.”

4.If she passes the exam, she _________________________ (be) very happy.
5.I _________________________ (be) there at four o'clock, I promise.
6.A: “I’m cold.”
B: “I _________________________ (turn) on the fire.”

7.A: “She's late.”
B: “Don't worry she _________________________ (come).”

8.The meeting _________________________ (take) place at 6 p.m.
9.If you eat all of that cake, you _________________________ (feel) sick.
10.They _________________________ (be) at home at 10 o'clock.
11.I'm afraid I _________________________ (not / be) able to come tomorrow.
12.Because of the train strike, the meeting _____________(not / take) place at 9 o'clock.
A: “Go and tidy your room.”
B: “I _________________________ (not / do) it!”

13.If it rains, we _________________________ (not / go) to the beach.
14.In my opinion, she _________________________ (not / pass) the exam.
15.A: “I'm driving to the party, would you like a lift?”
B: “Okay, I _________________________ (not / take) the bus, I'll come with you.”

17.He _________________________ (not / buy) the car, if he can't afford it.
18.I've tried everything, but he _________________________ (not / eat).
19.According to the weather forecast, it ____________________ (not / snow) tomorrow.
20.A: “I'm really hungry.”
B: “In that case we _________________________ (not / wait) for John.”

21.____________________ (they / come) tomorrow?
22.When ____________________ (you / get) back?
23.If you lose your job, what ____________________ (you / do)?
24.In your opinion, ____________________ (she / be) a good teacher?
25.What time ____________________ (the sun / set) today?
26.____________________ (she / get) the job, do you think?
27.____________________ (David / be) at home this evening?
28.What ____________________ (the weather / be) like tomorrow?
29.There’s someone at the door, ____________________ (you / get) it?
30.How ____________________ (he / get) here?

0
18 tháng 3 2022

1- It is about 500 meters from my house to school.

2- My father used to go to work by car, but now he goes by bus.

3-My mother drives carefully.

I. Fill in the correct tense of the infinitive or the -ing form. 1. we'd better not bother her- she seems.................................(study). 2. the accused denied ................................(do ) anything wrong. 3. Paul pretended.........................(win) a lot of money but in fact he had won nothing at all. 4. she must ..............(work) outdoors when we rang. She didn't answer the phone. 5. Jane hoped .....................(give) the prize, but someone else won it. 6. he...
Đọc tiếp

I. Fill in the correct tense of the infinitive or the -ing form.

1. we'd better not bother her- she seems.................................(study).

2. the accused denied ................................(do ) anything wrong.

3. Paul pretended.........................(win) a lot of money but in fact he had won nothing at all.

4. she must ..............(work) outdoors when we rang. She didn't answer the phone.

5. Jane hoped .....................(give) the prize, but someone else won it.

6. he seemed.................(swim). He was all wet.

7. I should............( give ) him som money before I went out, but I forgot.

8. She says she would love ..........................(come) to dinner with us tonight.

9. He must.........................( practise) that piece for hours-he plays it very well now.

10. The athlete seemed.....................(be) out of breath- he must ........................(run) for hours.

11. Peter claims.................(choose) as the best-dressed man of the year.

12. they could...................(prepare) a meal for is last night instead of making us go out to eat.

13. John must ......................(be) very busy these days - I never see him.

14. The house looks so clean now. They must......................(clean) all day.

15. Jan should ...........................(give) us her new address before she left.

16. the two men appeared...................(try) to break into the building when the police arrived.

17. You should ................(study) now instead of watching TV.

1
28 tháng 6 2017

I. Fill in the correct tense of the infinitive or the -ing form.

1. we'd better not bother her- she seems................to be studying.................(study).

2. the accused denied .........doing.......................(do ) anything wrong.

3. Paul pretended...............to have won..........(win) a lot of money but in fact he had won nothing at all.

4. she must .....have been working.........(work) outdoors when we rang. She didn't answer the phone.

5. Jane hoped ............to have been given.........(give) the prize, but someone else won it.

6. he seemed........to have been swimming.........(swim). He was all wet.

7. I should....have given........( give ) him som money before I went out, but I forgot.

8. She says she would love ..............to come............(come) to dinner with us tonight.

9. He must..........have practiced...............( practise) that piece for hours-he plays it very well now.

10. The athlete seemed...........to have been..........(be) out of breath- he must ........have been running................(run) for hours.

11. Peter claims.........to have been chosen........(choose) as the best-dressed man of the year.

12. they could.........have prepared..........(prepare) a meal for is last night instead of making us go out to eat.

13. John must ..........be............(be) very busy these days - I never see him.

14. The house looks so clean now. They must..........have been cleaning............(clean) all day.

15. Jan should .............have given..............(give) us her new address before she left.

16. the two men appeared...........trying........(try) to break into the building when the police arrived.

17. You should ........study........(study) now instead of watching TV.