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1. I haven't heard him since August
=> I last heard him was in August.
2. I haven't seen him since I was a student
=> I last saw him when I was a student.
=> The last time I saw him was I was a student.
3. It is the first time she has eaten this kind of meat
=> She has never eaten this kind of meat before
=> She hasn't eaten this meat before
4. I haven't eaten this kind of food before
=> This is the first time I have eaten that kind of food .
=> I have never eaten that kind of food before
5. This is the first time she has read this book
=> She has never read this book before
=> She has not read this book before
III)Correct the mistake in each sentence, if necessary.
1. Tony has phoned me twice so far
2. I water flowers for my neighbour this week
3. Some of the boys don't know the English alphabet
4. Many drivers are smoking while driving.
5. We have owned this villa since 2004
6. This is the first time I have eaten this food
7. I don't eat sweets these days as I am on a diet
8. Don't wait for me because I don't come with you
9. The new manager gives a party next week
10. Is this total including new students ?
11. Excuse me, but do you wait for someone ?
IV. Rewrite each of the following sentences
1. They have moved Canada since December
2. So far I have been writing ten pages of the letter
3. Since arriving here,I have felt better
4. I have never seen Dick before 1985
5. Peter has never been to Paris before
6. He has been working since 6 o'clock
7. I haven't gone to the dentist for six months
8. Peter hasn't gone to the cinema for long time
9. We have been writing to each other for six years
10. This is the first time I have eaten this kind of food
1. There is no point planting this kind of flowers here.
-> It is _______pointless to plant this kind of flowers here. ___________________________________________________________
2. He couldn’t come to the meeting on time because of the bad weather.
-> The bad weather stopped _________him from coming to the meeting on time ________________________________________
3. He used to take his little daughter to the local park.
-> His little daughter __________used to be taken to the local park by him____________________________________________
4. This dictionary is expensive and that one is, too.
-> That dictionary __________is as expensive as this one______________________________________________
5. Who did you meet yesterday?
-> Who _____was met by you yesterday______________________________________________________________
I. Rewrite the following sentences, using the words given.
1. We last went to London two years ago.
➞We................haven't gone to London for 2 years....................................
➞It's.....2 years since we last went to London.........................................................
➞The last time.......we went to London was 2 years ago..................................................
2. This is the first time I have visited Hanoi
➞ I.....................have never visited Ha Noi before.............................................
3. I began learning English five years ago.
➝ I have........learnt English for five years.....................................................
4. I last saw her in 2010.
➝..................I haven't seen her since 2010............................................................
5. I haven't eaten this kind of food before
......................This is the first time I have eaten this kind of food................................................
6. I started working for this company a years ago.
.............I have worked for this company for a year......................................................................
7. I last read that book on November 20th
...........I haven't read that books since November 20th .............................................................................
8. I have never eaten with knives and folks before.
...............This is the first time I have eaten with knives and forks ..............................................................................
9. It is 10 years sice I last visited Dalat.
...........I last visited Dalat 10 years ago .......................................................................................
10. She hasn't phoned home for two weeks.
...............The last time she phoned home was 2 weeks ago .................................................................................
11. Mr. Brown bought this car five years ago
...........Mr. Brown has bought this car for 5 years .....................................................................
Viết lại câu với BECAUSE OF
1/ She didn't go to work on time because there was the traffic jam.
SHE DIDN'T GO TO WORK ON TIME BECAUSE OF THE TRAFFIC JAM.
2/ We couldn't go on a picnic because the weather was bad.
WE COULDN'T GO ON A PICNIC BECAUSE OF THE BAD WEATHER.
3/ We couldn't sleep because the weather was hot.
WE COULDN'T SLEEP BECAUSE OF THE HOT WEATHER.
4/ We didn't go to the beach because the weather was cold.
WE DIDN'T GO TO THE BEACH BECAUSE OF THE COLD WEATHER.
5/ I went to bed early because the film was boring.
I WENT TO BED EARLY BECAUSE OF THE BORING FILM.
6/ They laughed a lot because the clowns were very funny.
THEY LAUGHED A LOT BECAUSE OF THE FUNNY CLOWNS.
7/ She can't walk any more because she is too weak.
SHE CAN'T WALK ANYMORE BECAUSE OF HER WEAKNESS.
8/ He couldn't go to school because he was sick.
HE COULDN'T GO TO SCHOOL BECAUSE OF HIS SICKNESS.
9/ My father couldn't take us to the zoo because he was busy.
MY FATHER COULDN'T TAKE US TO THE ZOO BECAUSE OF BEING BUSY.
10/ I can't go with you because I am busy.
I CAN'T GO WITH YOU BECAUSE OF BEING BUSY.
11/ We can't use this water because it is polluted.
WE CAN'T USE THIS WATER BECAUSE OF IT'S POLLUTION.
12/ I like her because she is beautiful.
I LIKE HER BECAUSE HER BEAUTY.
1, We haven't seen her since Christams
2, This is the first time I have tried this kind of food
3, It has rained for an hour ago
4, The last time we visited my grandparents was two years ago
5, I began studying three years old
6, It 's nearly 5 years since my brother saw his best friend
7, How long have you started learning EL ?
8, Jane is the same height as her older sister
Học tốt nha bạn 
Ex19: Write the second sentence so that it has a similar meaning to the first :
1. The last time we saw her was on Christmas Day.
We haven't SEEN HER SINCE CHRISTMAS.
2. I haven't eaten this kind of food before.
This is THE FIRST TIME I HAVE TRIED THIS KIND OF FOOD.
3. It started raining an hour ago.
It has RAINED FOR AN HOUR.
4. We haven't visited my grandparents for two months.
The last time WE VISITED MY GRANDPARENTS WAS TWO MONTHS AGO.
5. I have studied English for three years.
I began STUDYING ENGLISH THREE YEARS AGO.
6. My brother hasn't seen his best friend for nearly five years.
It's NEARLY FIVE YEARS SINCE MY BROTHER LAST SAW HIS BEST FRIEND.
7. When did you start learning English?
How long DID YOU START LEARNING ENGLISH?
8. Jane is as tall as her older sister.
Jane is the same HEIGHT AS HER OLDER SISTER.
1.I have never met him before
-> It is the first time I have met him
2.I have never eaten this kind of food before
-> It is the first time I have eaten this kind of food
3.I've never seen this film before
-> This is the first time I have seen this film
4.We've never drunk this kind of water before
->This is the first time I have drunk this kind of water
5.He's never been to HCM city before
->It is the first time I been to HCM city
6.It is the first time I've seen this man
->I've never seen this man before
7.This is the first time he phoned me
->He has never phoned me before
8.This is the first time I've talked to her
->I've never talked to her before
9.This is the first time Nam has used computer
->Nam has never used computer before
10.It is the first time Tom has sung
->Tom has never sung before
11.Ba had never listened to classical music before
->This was the first time Ba has listened to classical music
12.Nam had never seen him before
->It was the first time Nam has seen him
13.I had never seen him before
->It was the first time I have seen him
14.It was the first time Ba had killed chickens
->Ba had never killed chickens before
15.It was the first time she had eaten apple
->She had never eaten apple before
16.He last saw me a week ago
->He hasn't seen me for a week
->It is a week since he last saw me
17.Ba stopped playing soccer when he was 30
->Ba hasn't played soccer since he was 30
18.Hung began listening to music at 8 o'clock
->Hung has begun listening to music since 8 o'clock
19.He didn't smoke two years ago
->He hasn't smoked for two years
->It is two years since he last smoked
- I ( have not seen / see / has not seen / saw ) ___________ my old friends for 5 years.
- ( Storm / Drought / Typhoon / Flood )_________ is a long time when there is not enough rain.
- I ( sent / gave / received / took )___________ a letter from my old friend last week.
- “ Would you ( like / want / love / mind )___________ to go to the movies with me ?.”I’d love to”
- He is not ( enough old to / enough old for / old enough to / old enough for ) _________________ get married.
- Her mother ( left / leaves / is leaving / will leave )______________ this town two years ago.
- Thu enjoys ( to tell / tell / telling / told )__________ jokes.
- The sun ( rises / to rise / is rising / rised )_________ in the east.
- Alexander Graham Bell was born ( during / at / on / in )________ March 3, 1847.
- The children are old enough to look after ( ourselves / himself / themselves / myself) ______________.
- We ought ( put / pay / to put / give )___________ the wardrobe in the corner opposite the bed.
- Why did Nam have to cook dinner ?- Because his mother (went / goes / is going / has gone )_____________ home late.
- Alexander Graham Bell was born in ( Scotland / Japan / Italy / England )___________.
- The lamp is ( on / next to / behind / between )________ the table.
- She is very lucky because she has ( a lot of / much / lot / lots )___________ friends.
- I am ( enough rich not / enough not rich / not rich enough / not enough rich ) ______________________ to buy this car.
- Each of us ( have / has / to have / having )_______________ a different character.
- Can I speak ( on / to / at / with )____________ Hoa, please ?
- Minh fell ( inside / outside / upstairs / downstairs )____________ and broke his arm.
- She asks her sister not to go (inside / outside / upstairs / downstairs )____________ because of the cold weather.
- When you call me last night, I was ( on / in / at / to )__________my room.
- I have ( to ask / ask / asking / asks )_____________ my parents’ permission.
- My teacher showed me how ( to pronounce/ prounouncing / pronounce ) English vocabulary.
- My computer (hasn’t worked / didn’t work / works) a moment ago.
- He works hard so as to ( get/ make/ do/ ) high marks.
- Water cans can be ( recycled/ thrown away/ reused ) after being cleaned.
- This is the first time I ( is reading / read/ have read) this novel.
- These problems ( will be solved / will solve / solved) next week.
- You can solve this problem ( with / by / in / from ) asking your partner.
- Lan is interested ( of/ in / out / for ) listening English songs.
- My computer ( hasn’t worked / work / working / works) since last week.
- What about ( going / go / goes / to go ) to the exhibition ?
1.I haven’t eaten this kind of food before.
A. This is the first time I eat this kind of food.
B. This is the first time I have eaten this kind of food.
C. This is the last time I have eaten this kind of food.
D. This is the last time I eat this kind of food.
2. The last time I saw her was a week ago.
A. I haven’t seen her for a week.
B. I haven’t seen her a week ago.
C. I didn’t see her for a week.
D. I didn’t see her a week ago.
3. I couldn’t read the letter because it was dark.
A. I couldn’t read the letter because the darkness.
B. I couldn’t read the letter because darkness was.
C. I couldn’t read the letter because of darkness.
D. I couldn’t read the letter because of the darkness.
4. I can’t sleep because of the hot weather.
A. I can’t sleep because the weather is hot.
B. I can’t sleep because the weather was hot.
C. I can’t sleep because the hot weather is.
D. I can’t sleep because the hot weather.
5 They last saw me five years ago.
A. They haven’t seen me since five years ago.
B. They haven’t seen me since five years
C. They haven’t seen me for five years
D. They haven’t seen me for five years ago.
6. My brother likes listening to pop music.
A. My brother is interesting in listening to pop music.
B. My brother is interesting on listening to pop music.
C. My brother is interested in listening to pop music.
D. My brother is interested on listening to pop music.
7. It is very challenging for someone to climb the mountain alone.
A. Someone find climbing the mountain alone challenging.
B. Someone finds climbing the mountain alone challenging.
C. Someone finds it is challenging to climb the mountain alone.
D. Someone find it challenging to climb the mountain alone.
8. This is the first time I have watched “Iron man ”
A. I watched “Iron man ” ago.
B. I have watched “Iron man ” before.
C. I have ever watched “Iron man ” before.
D. I have never watched “Iron man ” before.
9. Ann thinks arranging flowers is much more interesting than bird-watching.
A. Ann thinks watching birds is more interesting than arranging flowers.
B. Ann doesn’t think arranging flowers is much more interesting than bird-watching.
C. Ann doesn’t think bird-watching is as interesting as arranging flowers.
D. Ann thinks arranging flowers and bird-watching are very interesting.
10. Phong started to collect old coins five years ago.
A. Phong has collected old coins for five years.
B. Phong has started to collect old coins for five years.
C. Phong likes collecting old coins.
D. Phong collected old coins five year ago.
1 B. This is the first time I have eaten this kind of food.
2 A. I haven’t seen her for a week.
3 D. I couldn’t read the letter because of the darkness.
4 A. I can’t sleep because the weather is hot.
5 C. They haven’t seen me for five years.
6 C. My brother is interested in listening to pop music.
7 B. Someone finds climbing the mountain alone challenging.
8 C. I have ever watched “Iron man” before.
9 C. Ann doesn’t think bird-watching is as interesting as arranging flowers.
10 A. Phong has collected old coins for five years.