Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
1 Nga last visited hoi an when she was 18 year old
=> the last time Nga visited Hoi An was when she was 18 years old
=> Nga hasn't visited Hoi An since she was 18 years old
2 Mai started to study english 7 year ago
=> Mai has studied E for 7 years
=> it's 7 years since Mai started to study E
3 he began tidying th e house 2 house ago
=> he has tidied the house for 2 hours
=> it's 2 hours since he began tidying
4 ha is very busy, so she can't help us
=> Ha is too busy to help us
=> Ha is not free enough to help us
6 this is the fist time Hai has eaten a hambrger
Hai has never eaten a hamburger before
7 this is the most boring , film I have ever watched
I Have never watched a more boring film than this
8 i have never read a more in teresting book than this
this is most interesting book I have ever read
9 Becouse of bao was in jured , he couldn't go o school
beacouse of being injured, bao couldn't go to school
10 though the food was delicious , he didn't eat it
In spile of the delicious food, he didn't eat it
Past simple => Present perfect
1/ The students began doing this test an hour
=>The students have done this test for an hour
2/Lan started working in that factory two years ago
=>Lan has workedin that factory for two years
3/She began studying english 3 yaers ago
=>She has studied english for 3 yaers
4/Tom began to collect stamps in 2004
=>Tom has collected stamps since 2004
5/She began to study english 3 years ago
=>She has studied english for 3 years
6/Nam started working for that company four years ago
=>Nam has worked for that company for four years
7/ It started raining an hour ago
=>It has rained for an hour
8/Lan began learning chinese in 2006
=>Lan has learnt chinese since 2006
9/Minh started to swim fuve years ago
=>Minh has swum for fuve years
10/He began writing the report at 4 o'clock
=>He has written the report since 4 o'clock
1. The last time we saw her was on Christmas Day
=> We have not seen her since Christmas Day.
2. I haven't eaten this kind of food before
=> This is the first time I have eaten 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 have you learnt English?
8. Jane is as tall as her older sister
=> Jane is the same height as her older sister.
9. These houses are not as large as those houses
=> Those houses are larger than these houses.
10. Your backpack is not the same as mine
=> My backpack different from yours.
11. Ba began collecting stamps three years ago
=> Ba has collected stamps for three years.
12. We started living here twenty years ago
=> We have lived here for twenty years.
13. It's five years since I last saw Nam
=> I haven't seen Nam for five years.
14. The last time she visited us was four months ago
=> She hasn't visited us for four months.
15. I know Susan, I first met her in 2006
=> I have known Susan since 2006.
16. Minh has a digital camera. He bough it in 2001
=> Minh has had a digital camera since 2001.
17. Mai plays the piano. She started when she was ten years old
=> Mai has played the piano since she was ten years old.
18. Barbara is in Ha Noi now. She arrived there five months ago
=> Barbara has arrived Ha Noi for five months.
19. They started living here last month
=> They have lived here since last month.
20. My shoes are different from yours
=> My shoes are not the same as yours.
2. This is the first time I ate this kind of food.
3. it has started raining for an hour
4. The last time we have visited my grandparents was two months ago.
5. I began studying English three years ago.
6. It's nearly five years since my brother last saw his best friend.
7. How long have you learned English?
9. Those houses are more larger than there houses.
10. My packback is different from your packback
11. Ba has collected stamps for three years.
12. We have lived here for twenty years.
13. I haven't seen Nam for five years.
14. She hasn't visited us for four months.
15. I have met Susan since 2006.
16. Minh has had a digital camera since 2001.
17. Mai has played the piano since she was ten years old.
18. Babara has arrived to Hanoi for five months.
19. They have lived here for a month.
20. My shoes are not the same as yours.
Rewrite the sentences using PAST SIMPLE or PRESENT PERFECT TENSE.
1. I moved to Ho Chi Minh city in 2000.
=> I have moved to Ho Chi Minh city since 2000
2. She began to learn English four years ago.
=> She has learnt English for four years
3. They started practicing tennis when they were in high school.
=> They have practised tennis since they were in high school
4. They started to French in 2004.
=> They have learnt French since 2004
5. We began learning English six months ago.
=> We have learnt English for six months
6. When did she begin to work for this company?
=> How long has she worked for this company ?
7. The last time they visited London was two years ago.
=> They haven't visited London for two years
8. He hasn't gone out with her for two years.
=> It's two years since he last went out with her
Rewrite the sentences using PAST SIMPLE or PRESENT PERFECT TENSE.
1. I moved to Ho Chi Minh city in 2000.
=> I have moved to Ho Chi Minh city since 2000..................................................
2. She began to learn English four years ago.
=> She has learned English for four years.................................................
3. They started practicing tennis when they were in high school.
=> They have practiced tennis since they were in high school ...............................................................................4. They started to French in 2004.
=> They have learned French since 2004...............................
5. We began learning English six months ago.
=> We have learned English for six months .....................................................
6. When did she begin to work for this company?
=> How long has she begun to work for this company .................................................?
7. The last time they visited London was two years ago.
=> They haven't visited London for two years.............................................................
8. He hasn't gone out with her for two years.
=> It's two years since he has gone out with her...........................................................
1. Mrs An didn' t drink coffee when she was young but she s it now.
-Mrs An didn' t use to drink coffee when she was young.
2. I got up late last year, but now i get up early.
- I used to get up late last year.
3. Two years ago, my brother often played chess very well but now he doesn't .
- My brother used to play chess very well two years ago.
4. My father usually played soccer, but now he doesn' t any more .
- My father used play soccer.
5. When did you begin to study English?
- How long have you studied English?
6. How long have you studied medicine ?
- When did you begin to studied medicine?
7. When did you start to learn English?
- How long have you learnt English?
8. The last time we ate this kind of food was in January.
- We haven't eaten this kind of food since January.
9. Hoa has written to me since she moved to London.
- Hoa started to write to me since she moved to London.
~~Good luck~~
\(\left(1-\frac{1}{2}\right)\left(1-\frac{1}{3}\right)\left(1-\frac{1}{4}\right)...\left(1-\frac{1}{2012}\right)\)
\(=\frac{1}{2}.\frac{2}{3}.\frac{3}{4}.\frac{4}{5}...\frac{2010}{2011}.\frac{2011}{2012}\)
\(=\frac{1.2.3.4...2010.2011}{2.3.4.5...2011.2012}\)
=\(=\frac{1}{2012}\)
write in correct english
1. When we visited my friends, they had=>were having dinner with their children
2. My father watered=>was watering the flowers when it was started =>started raining
3. Lan has met=>met her old friends two ays ago
4. Phong didn't see=>hasn;t seen that film bfore
5. the girls participated=>have participated in that project twice
6. People speak=>have spoken english in australia for a long time
7. Her father worked=>has worked in that hospital since he has moved to this city
8. His sister played=>has played piano since she was eight
9. They didn't see =>have not seen each other for a long
10. The girls have finished =>finishedtheir project two days ago
đặt câu hỏi cho từ in nghiêng :
1. She was drawing while her brother was studying.
=> What was she doing while her brother was studying?
2. He has slept for 10 hours.
=> How long has he slept?
3. His father teaches History at Nam Hương school.
=> What subject does his father teach at Nam Huong School?
4. He used to go to work by bike.
=> How did he use to go to work?
5. Ann went to Australia to study when she was ten years old.
=> When did Ann go to Australia to study?
=> May has learnt English when she was 8 years old.