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cau 1 : give the correct form of verbs given :
1 i am sorry . i ( not finish ) ..........HAVEN'T FINISHED......... this work yet
2 poems as well as play (write) ........WRITTEN......... by william shakespeare
3 how many times HAVE you (be).........BEEN.......... to van mieu?
4 they like (chat) ........CHATTING........... they use the internet very often
5 i (have) ........HAD.........a phone call while i (surf) ......WAS SURFING...... the wed yesterday
cau 2 :
1 in recent years , more and more people ............... for things with credit cards
a pay b paid c are paying d have been paying
2 what people .................. benetton stores is that the quality is always high
a like b like very much c like about d like a lot
3 paplo would like to ......................by the time he is 40
a travel b be traveling c be going to travel d have traveled
4 the world would be a better place if everyone showed ..............cooperation as john
a as much b so much c too much d much
5 he turned on the tv , ................... i thought was rather surprising
a and b so c that d which
6 my car would not start , ............................ jenny is started immediately
a whereas b though c however d nevertheless
7 they stayed for hours , which i was very ..................
a annoyed b annoyed about c annoying d annoying me
8 that was a very strange question .............................................
a you ask b you are asking c for asking d to ask
9 ..............................a movie to be entertaining , it has to have an interesting story
a so that b in order that c in order for d in order to
cau 2 : rewrite the following snetences :
1 would you please give me a hand ?
>> would you mind giving me a hand ?
2 i can not understand him because he speaks so quickly
>> if he did not speak so quickly, i can understand him
3 although he took a taxi , he arrived late for the concert .
>>in spite of taking a taxi , he arrived late for the concert .
4 the suitcase is so heavy that i can not carry it
>> it is such a heavy suitcase that i can not carry it
5 people say that he is an excellent footballer .
>> he is said to be an excellent footballer .
6 my mother used to make us clean the house ....
>> we used to be made clean the house
7 it is two years since i last spoke to her
>> i have not spoken to her for two years
8 going swimming in the river in the summer is interesting
>> it is interesting to go swimming in the river in the summer
cau 3 : give the corect form ò verbs given :
1 if he saves up , he soon ( be able )........will soon be able.........to afford a new car
2 what a mess! duc is toys ( not put ) ........haven't been put.......... away
3 if you feel like (stay ) .........staying.......with us , just send us a fax
4 my sister and i (stay ) ...........were staying........... at our grandparents when we (meet ) ......met......our great grand aunt for the first time
Supply the correct verb forms.
1. While I (walk) WAS WALKING across the campus the other day, I (meet) MET my old friend, John, whom I (not see) HAVEN'T SEEN:since July 10. Naturally we (stop) STOPPED (talk) TO TALK to each other for a few minutes. I asked him how he (do) DID in his classes this semester.
2. Jack London (bear) WAS BORN in San Francisco on January 12, 1876. He (begin) BEGAN his education at the university of California, but (not finish) DIDN'T FINISH it there, he (write) WROTE a lot of adventure books. He (travel) TRAVELLEDmuch, and his experience in his trips (help) HELPED him write many famous books.
3. A: Tell us what happened to you yesterday?
B: I (walk) WAS WALKING along Piccadilly when I (realize) REALIZED that a man with a black beard, whom I (see) HAVE SEEN three time already that afternoon, (follow) WERE FOLLOWING me. I (be) WAS very annoyed, and at last I (stop)SSTOPEED him and (ask) ASKED him why he (follow) FOLLOWED me. The man (apologize) APOLOGIZED and (tell) TOLD me he (mistake) MISTOOK me for one of his friends.
4. Last Sunday, Mrs Hay (drive) WAS DRIVING along a small country road when she (see) SAW a man at the side of the road. He (wave) WAVED and pointing at his car. Mrs Hay (stop) STOPPED and (ask) ASKED the man if he (be) HAD BEEN all right. "My car's broken down", said the man.
5. I'd just parked my car in the street near a football stadium in Liverpool. It (be) HAS BEEN ten minutes before the start of the match and I (be)WAS in a hurry. Two littles boys (come)CAME up to me and (say)SAID. "Give me some money and we (look) WILL HAVE LOOKED after your car while you are at the match". I (tell) TOLD them to clear off, and one of them (look)LOOKED at me with big, round eyes said, "Unless you (give) GAVE us the money, something might happen to your car while you are away, you know, a scratch or a flat or something like that".
VIII- Join each of the following pairs of sentences with “or, and, but, so or because”
1. I told a joke. Nobody laughed.
I told a joke, but nobody laughed
2. You must study harder. You will go into another class.
You must study harder or you will go into another class
3. The city suffers from air pollution. The city suffers from water pollution.
The city suffers from air pollution and water pollution
4. I knew her family. I did what I could for her.
I knew her family so i did what i could for her
5. We can’t afford energy-saving light bulbs. The light bulbs are too expensive.
We can't afford energy-saving light bulbs because the light bulbs are too expensive
IX. Put the verbs in the right tense or form
1. If he (learn) ______learned______ to drive, he would be able to drive his car.
2. They will lose their way if they (not have) ______don't have______ a map.
3. If the students (attend) ____attend_____ Quang Trung school, they have to wear uniform.
4. Frogs and toads (die) ____will die______ a lot if people continue to use electricity to catch fish.
5. If Lan (not have) ____doesn't have______ a bicycle, she will not go camping with us.
6. His father would buy that house if it (not be) ______weren't________ expensive.
7. If students do not throw plastic bags anymore, our school yard (clean) _____will be clean______.
8. I would do the test in five minutes if it (not be) ______weren't_______ difficult
IX. Put the verbs in the right tense or form
1. If he (learn) _____learned_______ to drive, he would be able to drive his car.
2. They will lose their way if they (not have) ______don't have_______ a map.
3. If the students (attend) ____attend_____ Quang Trung school, they have to wear uniform.
4. Frogs and toads (die) _____will die_____ a lot if people continue to use electricity to catch fish.
5. If Lan (not have) ____doesn't have______ a bicycle, she will not go camping with us.
6. His father would buy that house if it (not be) _______weren't_______ expensive.
7. If students do not throw plastic bags anymore, our school yard (clean) _____will clean______.
8. I would do the test in five minutes if it (not be) ________weren't_____ difficult
IV. Each sentence has a mistake find and correct it.
1. I wish I can go to the cinema with you tonight.
Can -> could
2. He asked me if I know that man over there.
Know -> knew
3. We are used to live next door to each other at one time.
To live -> living
4. Printing was invented by the Chinese.
The -> O
5. There was little traffic, so the journey didn’t take very long.
6. The number of the books in the library has risen to over five million.
Has risen -> have risen
7. If I had his phone number here, I will give it to you immediately.
Will give -> would give
8. My aunt has begun taught English for twenty years.
Taught -> to teach
9. He became interest in reading while he was working in the city library.
Interest -> interested
10. My father has retired three years ago and he is now living on his pension.
Is living -> lives
Đề 2
I. Each sentence has a mistake indentify and correct it.
1. If only we had a bigger house we can=> could invite our friends to stay.
2. It took me so many => much time to learn this lesson.
3. They listened to their teacher carefully, as=> so they understood the lesson easily.
4. The boy broke the window when he is=> was playing football with his friends.
5. Peter and John plays=> play badminton every Saturday with Maria and me.
6. She wishes he will => would stop interrupting her whenever she speaks.
7. Digital flat televisions are too expensive for we to buy at this=> that time.
8. I haven't seen my grandparents since=> for a quarter of a year
9. Your friends went to your native village last weekend, weren't=> didn't they?
10. Nam asked Mai what he can=> could do to help her.
II - Finish the second sentences so that it has the same meaning with the first one:
1. She planted that tree five years ago.
That tree....was planted five years ago .....
2. My family has someone water the roses every day.
My family has the.....roses watered everyday ............
3. He's going to have his room redecorated with some new furniture.
He's going to ask....to redecorate with some new furniture .......
4. Shall we use gas instead of burning coal?
I suggest....using has instead of burning coal.....
5. Tom failed the exam because of his laziness.
Because Tom.....was lazy, he failed the exam.......
6. I hope to see you at Christmas.
I'm.....looking forward to seeing you at Christmas ......
7. Laurence last saw his sister when she left from Japan.
Laurence 's......sister was last seen byLaurence when she left from Japan ...........
8. Do you spend two hours surfing the web every evening?
Does it .....take you two hours to surf the web every evening ?..........
9. I think it is the better to wait for the next bus.
I suggest....you should wait for the next bus .....
10. People have used the Internet all over the world.
The Internet.....has been used all over the world .....
III. Put in the correct word forms.
1. There has been a....reduction ....... (reduce) of 10% in the amount of the money available for buying the new books.
2. The alpine ......landscape .... (land) is very dramatic.
3. Women who are slimming can never enjoy a meal without being afraid of ............organization ............ (organize) their diet.
4. She always listens ............attentively ...............(attention) to what she is told.
5. He was..........informed ................. (information) of the consequences in advance.
6. The professor explained his ideas with great ............clearance............(clear)
7. The cost of the.....carriage ....... (carry) must be repaired by the buyer.
8. His health was seriously affected and he suffered from constantly.........overslept ........ (sleep).
9. In ancient Greece, the owl was a symbol of......wisdom .......... (wise)
10. The judge told him it was........irresponsible ............. (responsible) to drink and drive, and banned him for a year.
Đề 1
I. Each sentence has a mistake find and correct it.
1. I wish I can => could go to the cinema with you tonight.
2. He asked me if I know => knew that man over there.
3. We are => X used to live next door to each other at one time.
4. Printing was invented by the => X Chinese.
5. There was little traffic, so the journey didn't take very long.
6. The number of the books in the library has risen to over five million.
7. If I had his phone number here, I will => would give it to you immediately.
8. My aunt has begun => X taught English for twenty years.
9. He became interest => interested in reading while he was working in the city library.
10. My father has retired => retired three years ago and he is now living on his pension.
II. Rewrite these following sentences into conditional Sentences
1. They don't behave themselves so their parents are not happy about that.
→ If they behaved themselves, their parents would be happy about that.
2. She didn't say sorry so he was angry.
→ If she had said sorry, he woud not be angry
3. I am not a rich businessman and I can't afford to buy an expensive car.
→ If I was a rich businessman and I could afford to buy an expensive car.
4. It rained last night so I didn't go to the barbecue.
→ If it had not rained last night, I would have gone to the barbecue
5. My parents do not allow me to go, so I have to stay at home.
→ If my parrents allowed me to go, I would not stay at home
6. She doesn't pay attention to her cooking so the food is horrible.
→ If she paid attention to her cooking, the food would not be horrible
7. The weather was very nice so we didn't go camping.
→ If the weather had not been nice, we would have gone camping
8. The computer broke down and I had to stop my work.
→ If the computer had not broken down, I would not have stopped my work
9. She loves him so she forgives him easily.
→ If she didn't love him, she would not forgive him easily
10. He was angry so I didn't say anything.
→ If I had said something, he wouldn't have been angry
III - Fill in the blank space with the correct from of the words in parentheses:
1. They live happily in a small village. (Happy)
2. You should spend your money and energy as economical as possible. (Economy)
3. You can buy waste products made from this factory. (Produce)
4. This library is open to all readers (Read)
5. Air and water are necessary in our life. (Necessary)
6. My brother can repair electric appliances very well. (Apply)
7. These innovations will conserve the earth. (Innovate)
8. Since the world's energy resources are limited, we must conserve them. (Conservation)
9. We suggest replacing the light bulb. It is broken. (Replacement)
10. To keep the air unpolluted, people ought to use solar energy to create electricity. (Sun)
VI - Join each of the following pairs of sentences with "or, and, but, so or because"
1. I told a joke. Nobody laughed.
=> I told a joke but nobody laughed.
2. You must study harder. You will go into another class.
=> You must study harder or you will go into another class.
3. The city suffers from air pollution. The city suffers from water pollution.
=> The city suffer from both air and water pollution
4. I knew her family. I did what I could for her.
=> I knew her family so I did what I could for her.
5. We can't afford energy - saving light bulbs. The light bulbs are too expensive.
=> We can't afford energy-saving light bulbs because the light bulbs are too expensive.
V. Put the verbs in the right tense or form
1. If he (learn) learnt to drive, he would be able to drive his car.
2. They will lose their way if they (not have) don't have a map.
3. If the students (attend) attend Quang Trung school, they have to wear uniform.
4. Frogs and toads (die) will die a lot if people continue to use electricity to catch fish.
5. If Lan (not have) doesn't have a bicycle, she will not go camping with us.
6. His father would buy that house if it (not be) was not expensive.
7. If students do not throw plastic bags anymore, our school yard (clean) will clean.
8. I would do the test in five minutes if it (not be) was not difficult.
VI. Complete the sentence with the one word given below. One word can be used for more than one sentence: for/ up/ after/ on/ off/ away/ in.
1. Who's going to look after the children while you're away?
2. "Turn on the TV for me, will you? I want to watch the cartoon.
3. She's looked for her keys everywhere.
4. Turn off the radio. I'm working.
5. If we go on littering, the environment will become seriously polluted.
6. Don't throw these newspapers away.
7. Could you fill in this form?
8. Don't wake the baby up . Let him sleep.
9. Don't believe her. She's just made up the story.
10. Susan took off her coat and put it on the sofa.
VII. Fill in the blanks with proper words, then answer the following questions.
power - effective - nuclear - advanced - pollution
heat - stored - electricity - energy - panels
Are you looking for a cheap, clean, (1) effective source of power that doesn't cause (2) pollution or waste natural resources? Look no further than solar (3) energy from our Sun.
At present, most of our (4) electricity comes from the use of coal and gas, oil or (5) nuclear power. This power could be provided by the Sun. one percent of the solar energy that reaches the Earth is enough to provide (6) power for the total population.
Many countries are already using solar energy. Solar (7) pannels are placed on the roofs of a house and the Sun's energy is used to (8) water. The energy can be (9)stored for a number of days, so on cloudy days you can use solar energy, too.
Sweden has an (10) advanced solar energy program. There, all buildings will be heated by solar energy and cars will use solar power instead of gas by the year 2015.
1) Is the solar energy an efficient source of power?
=> Yes, it is
2) Where are the solar panels placed?
=> Solar panels are placed on the roof of a house
3) How long can the energy be stored?
=> The energy can be stored for a number of days
4) Is the solar energy used in Vietnam now?
=> Yes, it is
Đề 2
I. Each sentence has a mistake indentify and correct it.
1. If only we had a bigger house we can => could invite our friends to stay.
2. It took me so many => much time to learn this lesson.
3. They listened to their teacher carefully, as => so they understood the lesson easily.
4. The boy broke the window when he is => was playing football with his friends.
5. Peter and John plays => play badminton every Saturday with Maria and me.
6. She wishes he will => would stop interrupting her whenever she speaks.
7. Digital flat televisions are => is too expensive for we to buy at this time.
8. I haven't seen my grandparents since => for a quarter of a year
9. Your friends went to your native village last weekend, weren't => didn't they?
10. Nam asked Mai what he can => could do to help her.
II - Finish the second sentences so that it has the same meaning with the first one:
1. She planted that tree five years ago.
That tree was plated 5 years ago
2. My family has someone water the roses every day.
My family has the roses watered every day
3. He's going to have his room redecorated with some new furniture.
He's going to ask somebody for redecorating his room with some new furniture
4. Shall we use gas instead of burning coal?
I suggest using gas instead of burning coal
5. Tom failed the exam because of his laziness.
Because Tom was lazy, he failed the exam
6. I hope to see you at Christmas.
I'm looking forward to seeing you at Christmas
7. Laurence last saw his sister when she left from Japan.
Laurence 's not seen his sister since she left from Japan
8. Do you spend two hours surfing the web every evening?
Does it take you two hours to surf the web every evening?
9. I think it is the better to wait for the next bus.
I suggest waitting for the next bus
10. People have used the Internet all over the world.
The Internet has been used all over the world
III. Put in the correct word forms.
1. There has been a reduction (reduce) of 10% in the amount of the money available for buying the new books.
2. The alpine landing (land) is very dramatic.
3. Women who are slimming can never enjoy a meal without being afraid of organizing (organize) their diet.
4. She always listens attentionly (attention) to what she is told.
5. He was infomative (information) of the consequences in advance.
6. The professor explained his ideas with great clearly(clear)
7. The cost of the carriage (carry) must be repaired by the buyer.
8. His health was seriously affected and he suffered from constantly sleeping(sleep).
9. In ancient Greece, the owl was a symbol of wisdom (wise)
10. The judge told him it was irreponsible (responsible) to drink and drive, and banned him for a year.
#trannguyenbaoquyen
Đề 1
I. Each sentence has a mistake find and correct it.
1. I wish I can => could go to the cinema with you tonight.
2. He asked me if I know => knew that man over there.
3. We are used to live => living next door to each other at one time.
4. Printing was invented by the Chinese => Chinese.
5. There was little traffic, so the journey didn't take very long. (câu này đúng rồi nha )
6. The number of the books in the library has risen => have been risen to over five million.
7. If I had his phone number here, I will => would give it to you immediately.
8. My aunt has begun taught => taught English for twenty years.
9. He became interest => interested in reading while he was working in the city library.
10. My father has retired => retired three years ago and he is now living on his pension.
II. Rewrite these following sentences into conditional Sentences
1. They don't behave themselves so their parents are not happy about that.
→ If ............they behaved themselves , their parents would be happy about that
2. She didn't say sorry so he was angry.
→ If ...........she had said sorry , he wouldn't have been angry
3. I am not a rich businessman and I can't afford to buy an expensive car.
→ If ........I were a rich businessman , I could afford to buy an expensive car
4. It rained last night so I didn't go to the barbecue.
→ If ..........it hasn't rained last night , I would have gone to the barbecue
5. My parents do not allow me to go, so I have to stay at home.
→ If ......my parents allowed me to go , I wouldn't have to stay at home
6. She doesn't pay attention to her cooking so the food is horrible.
→ If .......she paid attention to her cooking , the food wouldn't be horrible.
7. The weather wasn't very nice so we didn't go camping.
→ If ....the weather had been very nice , we would have gone camping
8. The computer broke down and I had to stop my work.
→ If .......the computer hadn't broken down , I wouldn't have stopped my work
9. She loves him so she forgives him easily.
→ If .............she didn't love him , she wouldn't forgive him easily
10. He was angry so I didn't say anything.
→ If ........he hadn't been angry , I would have said anything
III - Fill in the blank space with the correct from of the words in parentheses:
1. They live........happily....... in a small village. (Happy)
2. You should spend your money and energy as......economy..... as possible. (Economy)
3. You can buy waste.....product... made from this factory. (Produce)
4. This library is open to all........readers....... (Read)
5. Air and water are......necessary...... in our life. (Necessary)
6. My brother can repair electric.....appliances..... very well. (Apply)
7. These......innovations.... will conserve the earth. (Innovate)
8. Since the world's energy resources are limited, we must..conserve... them. (Conservation)
9. We suggest....replacing..... the light bulb. It is broken. (Replacement)
10. To keep the air unpolluted, people ought to use.......solar... energy to create electricity. (Sun)
VI - Join each of the following pairs of sentences with "or, and, but, so or because"
1. I told a joke. Nobody laughed.
=> I told a joke but nobody laughed.
2. You must study harder. You will go into another class.
=> You must study harder or you will go into another class.
3. The city suffers from air pollution. The city suffers from water pollution.
=> The city suffers from air pollution and the city suffers from water pollution.
4. I knew her family. I did what I could for her.
=> I knew her family and I did what I could for her.
5. We can't afford energy - saving light bulbs. The light bulbs are too expensive.
=> We can't afford energy - saving light bulbs because the light bulbs are too expensive.
V. Put the verbs in the right tense or form
1. If he (learn) ____learnt___ to drive, he would be able to drive his car.
2. They will lose their way if they (not have) _don't have___ a map.
3. If the students (attend) _attends_ Quang Trung school, they have to wear uniform.
4. Frogs and toads (die) _will die__ a lot if people continue to use electricity to catch fish.
5. If Lan (not have) _doesn't have___ a bicycle, she will not go camping with us.
6. His father would buy that house if it (not be) _weren't_ expensive.
7. If students do not throw plastic bags anymore, our school yard (clean) _won't be cleaned__.
8. I would do the test in five minutes if it (not be) _weren't difficult.
VI. Complete the sentence with the one word given below. One word can be used for more than one sentence: for/ up/ after/ on/ off/ away/ in.
1. Who's going to look __after____ the children while you're away?
2. "Turn ___on___ the TV for me, will you? I want to watch the cartoon.
3. She's looked ____for__ her keys everywhere.
4. Turn ___off___ the radio. I'm working.
5. If we go __on____ littering, the environment will become seriously polluted.
6. Don't throw these newspapers ___away___.
7. Could you fill __in____ this form?
8. Don't wake the baby __up____. Let him sleep.
9. Don't believe her. She's just made __up____ the story.
10. Susan took __of____ her coat and put it on the sofa.
Use the correct form of the verb given in each bracket
1. Mary and I enjoy (go) ..........going............... to the park in the evening.
2. Stop (make) ..............making............... noise, please! I am studying.
3. You are always (talk) ............talking............. during the lesson.
4. If she (have) .........has................. time this morning, she will finish this drawing.
5. Do you mind if I (smoke) ..........smoke................ in your room?
6. When they came home, their children (play) ...........were playing.............. video games.
7. We're going to have our house (repaint) ............repainted............... next month.
8. While (stand) ............standing.................. in front of the school gate this morning, I saw Nam.
Finish each of the following sentences in such a way that it means exactly the same as the sentences printed before it
1. Peter doesn't have the key, so he can't get into the house.
---> If Peter has the key, he can get into the house.
2. Mary is reading an English novel. It is interesting.
---> The English novel which Mary is reading is interesting
Write complete sentences using the suggested words
1. It / be / such / cold day / we / decide / not / go out.
---> it is such a cold day that we decide not to go out
2. Not only / he / intelligent / but / he / also / hard-working.
not only he is intelligent but he is also hard-working
câu 1
1.didin't rain
2.wouldn't have
3.were
4.would be
5.would play
câu 2
1. Did_go
2. Have_ heard
3. has driven
4.would visit
5. don't have
Amanda is very good……at……playing tennis. She often dreams…of…becoming a professional tennis player one day, but she knows that the chance of making a living …for…. A professional player is very small, indeed. Even though Amanda is only interested …in..playing tennis all day long, she knows that it is not pleasant way…of….living if you have to invest all your time …in.practising . Modern methods…of…. Training are so hard , and lake up so much time that you also run the rick…of… missing a lot of time …for…school, and for Amanda, tennis is not a reason …for..leaving school before she has taken her exams.
1. Nick used to go to the library from time to time to look __for__ articles __on__ the subject he was very fond _of___.
2.This job would be impossible __without__ the help of computer.
3. At first, my English homework was full _of___ mistake.
4. Please write ___in_ ink. It's hand to read if you write __in__ pencil.
5. If you have a problem, talk __to__ the teacher.
6. Going there __by__ taxi is more expensive than travelling _by___ the bus.
Saving energy doesn’t have to be expensive or time-consuming . But what can you do to save energy? There is plenty that you …can.. do to help the process of energy conservation . You can save energy…by… doing things like making sure that the kettle doesn’t contain more water…than.. that you need, always washing a full load in the washing …machine..rather than a half load , or turning up your air-conditioner by 20c this could cut your electricity bill by 10% .Make …sure… that hot water taps are not left running and replace washers if your taps drip . …at….work, you can turn off any light and your computer if you are not …using….them. Change to energy-saving light buls-these use much less electricity, and often last eight times…more…. Than an ordinary bulb. Draw back your curtains and …dusk….off the light during the day. Switching off electrical appliances …electrical. They are not in use makes a big contribution to energy-saving, too.
1. Our sources of energy will soon end if we don't try to save them.
→ Unless we try to save our sources of energy, it will soon end.
2. Barbara plays chess better than Mike.
→→ Mike doesn't as good at play chess as Mike.
3. There are too few glasses for everyone to have a drink.
→ We haven't got enough glasses for everyone to have a drink.
4. This is the most beautiful sight I have ever visited.
→ This is the first time I have visit the most beautiful sight.
5. It is my sister's eighteen birthday next week.
→ My sister will be eighteen birthday next week.
7. The doctor said that my father continues to smoke he’ll be ill.
--> The doctor said that unless my father stops smoke, he'll be ill.
9. Popular newspapers are cheaper than serious ones.
-->Serious newspapers are more expensive than popular ones.
8, Does astronomy interest you.
--> Do you take an interest in astronomy?
10. It is not necessary for you to finish your assignment this evening.
--> You need to finish your assigment this evening.
1. We are very worried that poisonous gases (pump) ___pumped__ into the atmosphere every day.
2. If we use energy-saving bulbs, we (save) __will save___ a lot of money.
3. While Henry (walk) __was walking___ in the mountain, he saw a bear.
4. I wish I (not, be) ___weren't__ an only child. It would be great to have brothers and sisters.
5. The librarian asked us (not, make) __not to make___ so much noise.
6. John (have) __has had___ this bike since his eleventh birthday.
7. Tom spent three months (learn) ___learning__ to play the piano.
8. The flowers (wrap) __wrapped___ in yellow paper are 5 dollars.
1. We are very worried that poisonous gases are pumped into the atmosphere every day.
(everyday -> chia ở thì htđ + bị động -> are pumped)
2. If we use energy-saving bulbs, we will save a lot of money.
(câu điều kiện loại 1 -> will save)
3. While Henry was walking in the mountain, he saw a bear.
(Khi 1 hành động đang xảy ra (walk) thì 1 hành động khác xen vào (see) -> hành động đang xảy ra chia ở thì qktd, hành động xen vào chia ở thì qkđ)
4. I wish I weren't an only child. It would be great to have brothers and sisters.
(Ước về 1 điều trái với hiện tại -> chia ở thì quá khứ giả là weren't (kể cả khi chủ ngữ là "I")
5. The librarian asked us not to make so much noise.
(Cấu trúc ask sb (not) to do sth: khuyên ai (không nên) làm gì)
6. John has had this bike since his eleventh birthday.
(trạng từ since -> htht)
7. Tom spent three months learning to play the piano.
(cấu trúc spend <khoảng tg> doing sth: dành bao nhiêu tg làm gì)
8. The flowers wrapped in yellow paper are 5 dollars
(mệnh đề quan hệ "which are wrapped" rút gọn thành "wrapped")