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26 tháng 9 2018

1.They started a dacing class last week

=> Thay have learned a dacing class since last week

2. Mr.Smih saw the accident

=> The accident was seen by Mr.Smith

3.Somebody has taken my briefcase.

=> My briefcase has been taken

4. The teacher returned our written work to us

=> Our written work was returned to us by the teacher

5. She has finished the report by noon.

=> The report has been finished by her by noon

6. The mad dog bit the little boy.

=> The little boy was bitten by the mad dog.

7. The police have arrested five suspects.

=> Five suspects have been arrestedby the police

8. The doctor ordered him to take a long rest.

=> He was advised to take a long rest by the doctor

17. they are sweeping the streets

=> The streets are being swept

18.the mailman had already delivered the mail

=> The mail had already been delivered by the mailman

19. He used to brorrow my pen

=> My pen used to be borrowed

20. You ought to tell him early

=> He ought to be told early

Có mấy câu lặp :)

26 tháng 9 2018

1.They started a dacing class last week

=> a dancing class was started last week

2. Mr.Smih saw the accident

=> The accident was seen by Mr Smih

3.Somebody has taken my briefcase.

=> my briefcase had been taken

5. She has finished the report by noon.

=> The report has been finished by noon

6. The mad dog bit the little boy.

=> The little boy was bitten by the mad dog

7. The police have arrested five suspects.

=> five suspects have been arrested by the police

8. The doctor ordered him to take a long rest

=> He was ordered to take a long rest by the doctor

17. they are sweeping the streets

=> The streets are being swept by them

18.the mailman had already delivered the mail

=> The mail had been delivered by the mailman

19. He used to brorrow my pen

=> My pen was borrowed by him

20. You ought to tell him early

=> He ought to be told early

Change into passive 1. They will hold the meeting before May Day. ------->The meeting ............ 2. Somebody has taken some of my books away --------> Some of my book ............. 3. They have to repair the engine of the car. -------> The engine of the car ........... 4. They may use this room for the classroom. ---------->This room ............... 5. The teacher is going to tell a story. ------------A story ........... 6. John used to visit his parents at...
Đọc tiếp

Change into passive

1. They will hold the meeting before May Day.

------->The meeting ............

2. Somebody has taken some of my books away

--------> Some of my book .............

3. They have to repair the engine of the car.

-------> The engine of the car ...........

4. They may use this room for the classroom.

---------->This room ...............

5. The teacher is going to tell a story.

------------A story ...........

6. John used to visit his parents at weekends.

----------> His parents ............

7. They use milk for making butter and cheese.

-------->Milk clothing. ............

8. They have provided the victims with food and clothing

-----> The victims ............

9 . People speak English in most every corner of the world .

------>. English ............

10. The students are writing the lesons now .

------> The lesson

11. Her teacher taught her how to apply this theory

------>She ..............

12. Someone will tell him that news.

------> he ..........

EXERCISE: Complete the sentences with "for" or "since":

1. We haven't heard from them _________ ages

2. They waited for you _________ two days

3. They haven't met him _________ he left the room

4. We have bought the new car ________ 1999

5. Haven't you seen him ____________ Christmas?

6. It was not rained __________ May

7. I haven't written to him ________ five months.

8. She has spoken to them _______ this morning

9. We have listened to music ________ 8a.m

10. The house been built __________ last year

EXERCISE: Use simple past or present perfect to complete the following sentences:

1. Her English ( improve) ___________ recently

2. How many pages _________ you (read) _________ so far?

3. We (finish)________ our homework two hour ago

4. __________ you(be)__________ to Rome?

5. I (see)____________ him several times on TV

6. What _______you (do)__________ last night?

7. This is the first time I (visit)______ the city

8. They (buy)__________ the garden some days ago.

9. I (learn)________ English since I (be)__________ 11 years old

10. Be careful! I (just clean)________ the floor

11. The meal (already be)_______ ready

12. I ( never read)________ an interesting story like this before

EXERCISE : Rewrite the following sentences with the words given

l. Minh last wrote to his pen al five months ago

-> Minh hasn't

2. The last time we visited Kuala Lumpur was 3 years ago

-> I haven't

3. When did you study English?

-> How long

4. They began building this house 2 months ago

->They have

5. My father started to work in this factory last week

-> My father has

6. How long has he worked in the garden?

->When

7. How long ago did you learn music?

-> How long have

8. He started living in Ho Chi Minh city when he was 8

-> He has

9. He learnt English when he was 18

-> He has...

10. They have worked in that factory for five years

-> They began

ll. My father stopped smoking two years ago

-> My father hasn't

12. We have learnt English for four years.

-> We started.

13 My father started to give up smoking last year

-> My father has

14. They have worked in that factory since 2001

-> They started.

15. Lan hasn't written to Maryam for a month.

-> Lan didn't.....

16. He has lived in Ha Noi since he was 12.

-> He started.

17. I haven't met her for a long time.

-> I didn't.

18. How long have you leamt French ?

-> How long ago

19. How long have you bought this car -> When did

20. When did you start to listen to classical music ?

->How long

21. I saw her 10 years ago.

-> I haven't

3
7 tháng 6 2018

Change into passive

1. They will hold the meeting before May Day.

------->The meeting ......will be held before May Day......

2. Somebody has taken some of my books away

--------> Some of my books have been taken by somebody............

3. They have to repair the engine of the car.

-------> The engine of the car ....HAS TO BE REPAIRED.......

4. They may use this room for the classroom.

---------->This room .......MAY BE USED FOR THE CLASSROOM........

5. The teacher is going to tell a story.

------------A story IS GOING TO BE TOLD BY THE TEACHER...........

6. John used to visit his parents at weekends.

----------> His parents ....USED TO BE VISITED BY JOHN AT WEEKENDS.........

7. They use milk for making butter and cheese.

-------->Milk clothing. ..IS USED FOR MAKING BUTTER AND CHEESE..........

8. They have provided the victims with food and clothing

-----> The victims ......HAVE BEEN PROVIDED WITH FOOD AND CLOTHING......

9 . People speak English in most every corner of the world .

------>. English ...IS SPOKEN IN MOST EVERY CORNER OF THE WORLD.........

10. The students are writing the lesons now .

------> The lesson IS BEING WRITTEN BY THE STUDENTS NOW.

11. Her teacher taught her how to apply this theory

------>She .WAS TAUGHT HOW TO APPLY THIS THEORY BY HER TEACHER.............

12. Someone will tell him that news.

------> he ......WILL BE TOLD THAT NEWS BY SOMEONE....

EXERCISE: Complete the sentences with "for" or "since":

1. We haven't heard from them ___FOR______ ages

2. They waited for you _____FOR____ two days

3. They haven't met him ____SINCE_____ he left the room

4. We have bought the new car ___SINCE_____ 1999

5. Haven't you seen him _____SINCE_______ Christmas?

6. It was not rained ____SINCE______ May

7. I haven't written to him _______FOR_ five months.

8. She has spoken to them _____SINCE__ this morning

9. We have listened to music __SINCE______ 8a.m

10. The house been built _____SINCE_____ last year

EXERCISE: Use simple past or present perfect to complete the following sentences:

1. Her English ( improve) ______HAS IMPROVED_____ recently

2. How many pages _____HAVE YOU READ____ you (read) _________ so far?

3. We (finish)____FINISHED____ our homework two hour ago

4. __________ you(be)__________ to Rome? HAVE YOU BEEN

5. I (see)____________ him several times on TV HAVE SEEN

6. What _______you (do)__________ last night? DID YOU DO

7. This is the first time I (visit)______ the city HAVE VISITED

8. They (buy)__________ the garden some days ago. BOUGHT

9. I (learn)________ English since I (be)__________ 11 years old HAVE LEARNT/ WAS

10. Be careful! I (just clean)________ the floor HAVE JUST CLEANED

11. The meal (already be)___HAS ALREADY BEEN____ ready

12. I ( never read)________ an interesting story like this before HAVE NEVER READ

EXERCISE : Rewrite the following sentences with the words given

l. Minh last wrote to his pen al five months ago

-> Minh hasn't WRITTEN TO HIS PENPAL FOR 5 MONTHS.

2. The last time we visited Kuala Lumpur was 3 years ago

-> I haven't VISITED KUALA LUMPUR FOR 3 YEARS.

3. When did you study English?

-> How long HAVE YOU STUDIED ENGLISH ?

4. They began building this house 2 months ago

->They have BUILT THIS HOUSE FOR 2 MONTHS.

5. My father started to work in this factory last week

-> My father has WORKED IN THIS FACTORY SINCE LAST WEEK.

6. How long has he worked in the garden?

->When DID HE BEGIN TO WORK IN THE GARDEN ?

7. How long ago did you learn music?

-> How long have YOU LEARNT MUSIC ?

8. He started living in Ho Chi Minh city when he was 8

-> He has LIVED IN HCM CITY SINCE HE WAS 8.

9. He learnt English when he was 18

-> He has..LEARNT ENGLISH SINCE HE WAS 18.

10. They have worked in that factory for five years

-> They began WORKING IN THAT FACTORY 5 YEARS AGO.

ll. My father stopped smoking two years ago

-> My father hasn't SMOKED FOR 2 YEARS.

12. We have learnt English for four years.

-> We started. LEARNING ENGLISH 4 YEARS AGO.

13 My father started to give up smoking last year

-> My father has GIVEN UP SMOKING SINCE LAST YEAR.

14. They have worked in that factory since 2001

-> They started. WORKING IN THAT FACTORY IN 2001.

15. Lan hasn't written to Maryam for a month.

-> Lan didn't...WRITE TO MARYAM A MONTH AGO...

16. He has lived in Ha Noi since he was 12.

-> He started. LIVING IN HA NOI WHEN HE WAS 12.

17. I haven't met her for a long time.

-> I didn't. MEET HER A LONG TIME AGO.

18. How long have you leamt French ?

-> How long ago DID YOU LEARN FRENCH ?

19. How long have you bought this car -> When did YOU BUY THIS CAR ?

20. When did you start to listen to classical music ?

->How long HAVE YOU LISTENED TO CLASSICAL MUSIC ?

21. I saw her 10 years ago.

-> I haven't SEEN HER FOR 10 YEARS.

7 tháng 6 2018

EXERCISE : Rewrite the following sentences with the words given

l. Minh last wrote to his pen al five months ago

-> Minh hasn't written to his pen pal for five months

2. The last time we visited Kuala Lumpur was 3 years ago

-> I haven't visited Kuala Lumpur for 3 years

3. When did you study English?

-> How long have you studied English

4. They began building this house 2 months ago

->They have built this house for 2 months

5. My father started to work in this factory last week

-> My father has worked in this factory since last week

6. How long has he worked in the garden?

->When did he work in the garden?

7. How long ago did you learn music?

-> How long have you learnt music ?

8. He started living in Ho Chi Minh city when he was 8

-> He has lived in Ho Chi Minh City since he was 8

9. He learnt English when he was 18

-> He has...learnt English since he was 18

10. They have worked in that factory for five years

-> They began to smoke in that factory five years ago

ll. My father stopped smoking two years ago

-> My father hasn't smoked for two years

12. We have learnt English for four years.

-> We started. to learn English four years ago

13 My father started to give up smoking last year

-> My father has given up smoking since last year

14. They have worked in that factory since 2001

-> They started. to work in that factory in 2001

15. Lan hasn't written to Maryam for a month.

-> Lan didn't...write to Maryam a month ago..

16. He has lived in Ha Noi since he was 12.

-> He started.to live in Ha Noi when he was 12

17. I haven't met her for a long time.

-> I didn't. meet her a long time ago

18. How long have you leamt French ?

-> How long ago did you learn French?

19. How long have you bought this car -> When did you buy this car?

20. When did you start to listen to classical music ?

->How long have you listened to classical music?

21. I saw her 10 years ago.

-> I haven't seen her for 10 years

1)Samuel started keeping a diary in 1997. ->Samuel has............................................................................................. 2)We started learning English five years ago. ->We have.................................................................................................. 3)I began living in Ho Chi Minh city when I was 8. ->I have........................................................................................................ 4)She has taught the...
Đọc tiếp

1)Samuel started keeping a diary in 1997.

->Samuel has.............................................................................................

2)We started learning English five years ago.

->We have..................................................................................................

3)I began living in Ho Chi Minh city when I was 8.

->I have........................................................................................................

4)She has taught the children in this remote village for five months.

->She started...............................................................................................

5)She hasn't had a swim for five years.

->She last.........................................................................................................

6)He hasn't written to me since April.

->The last time.....................................................................................................

7)They last talked to each other two months ago.

->They haven't.......................................................................................................

8)The last time she saw her elder sister was in 1999.

->They hasn't..........................................................................................................

9)She hasn't written to me for years.

->It's years................................................................................................................

10)Robert and Catherine have been married for ten years.

->It's ten years................................................................................................................

11)It'stwo weeks since they cleaned their room.

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

12)It's over six months since John had jis hair cut.

->John.............................................................................................................................

13)How long is it since you rode a bicycle?

->When..............................................................................................................................?

14)How long is it since he wrote to me?

->When...............................................................................................................................?

15)When did he last talk to you?

->How long............................................................................................................................?

16)When did you last telephone him?

->How long..................................................................................................................................?

17)We have never eaten this kind of food before.

->It's the..............................................................................................................................................

18)This is the first time I have seen this film.

->I have never.....................................................................................................................................

19)John began playing the piano ten years ago.

->John has................................................................................................................................................

20)He has given up smoking for 2 months.

->He started..............................................................................................................................................

GIÚP MÌNH VỚI!

2
19 tháng 5 2018

1)Samuel started keeping a diary in 1997.

->Samuel has kept a diary since 1997.

2)We started learning English five years ago.

->We have learned English for fìve years

3)I began living in Ho Chi Minh city when I was 8.

->I have lived in Ho Chi Minh City since I was 8.

4)She has taught the children in this remote village for five months.

->She started teaching the children in this remote village five months ago

5)She hasn't had a swim for five years.

->She last hadn't had a swim five years ago

6)He hasn't written to me since April.

->The last time he wrote to me was 8 months ago

7)They last talked to each other two months ago.

->They haven't talked to each other for two months

8)The last time she saw her elder sister was in 1999.

-> She hasn't seen her elder sister since 1999.

9)She hasn't written to me for years.

->It's years since she didn't write to me

10)Robert and Catherine have been married for ten years.

->It's ten years since Robert and Catherine had married

11)It's two weeks since they cleaned their room.

-> They have cleaned their room for two weeks

12)It's over six months since John had his haircut.

->John has had his hair cut for over six months

13)How long is it since you rode a bicycle?

->When did you write a bike?

14)How long is it since he wrote to me?

->When did he last write to me?

15)When did he last talk to you?

->How long is it since he talked to you?

17)We have never eaten this kind of food before.

->It's the first time I have eaten that kind of food

18)This is the first time I have seen this film.

->I have never seen this film

19)John began playing the piano ten years ago.

->John has played the piano for ten years

19 tháng 5 2018

1/Samel has kept a diary since 1997

2/we have learnt english for 5 years

3/i have lived in HCMcity since i was 8

4/she started teaching the childrenin this remote village 5 months ago

5/she last wrote 5 years ago

6/the last time he wrote wasApril ago

7/they havent talken for 2 months

8/they havent seen her elder sister since 1999

9/it is years since she last wrote to me

10/it's ten years since Robert and Catherine married

11/they have cleaned their room for 2 weeks

12/John has jised hair cutfor over 6 moths

13/when did you last ride a bycle

14/when did he last write to me

15/how long is it since he talken to you

16/how long is it since you telephoneed him

17/it is the first time i have eatten this kind of food

18/i have never seen this film before

19/John has played the piano for 10 years

20/he started giving up smoke i2 months ago

19 tháng 10 2018

1 ) Why did she wait for you at the station .

=> Why were you waited for at the station?

2 ) They had the mechamic repain the engine

=> They had the engine repaired by the mechanic

3) The woman is going to do exercises nest week.

=> Exercises are going to be done by the woman next week

4) The girl doesn't understand my lesson clearly

=> My lesson isn't understood clearly by the girl

5) They had packed a present for me .

=> A present had been packed for me

6) He has just visited my home town.

=> My home town has just been visited

7 ) The girl was playing the trumpet at the time .

=> The trumpet was being played by the girl at the time

8 ) How long have you fed the baby ?

=> How long has the baby been fed?

9 )The boy will have finished him task early .

=> The boy's task will have been finished early

10) The girl didn't give me any present on my birthday .

=>I wasn't given any present by the girl on my birthday

11 ) We are written=>writing a lot of poems for competiton

=>A lot of poems are being written for competitions

12 ) They hadn't had a woman open the door

=>'They hadn;t had the door opened by the woman

Quá khứ & Hiện tại hoàn thành 1/you have taken part in this English-speaking club since last month. --> You began........... 2/ She has learned french with foreigners sinve 2005. --> She started....... 3/ My father hasn't planted trees in the garden for two months. --> My gather stopped..... 4/ My uncle has taught English for five years. --> My uncle began.... 5/ They haven't produced this kind of for a long time. --> They stopped.... 6/ Snow has dropped in this area since...
Đọc tiếp

Quá khứ & Hiện tại hoàn thành

1/you have taken part in this English-speaking club since last month.

--> You began...........

2/ She has learned french with foreigners sinve 2005.

--> She started.......

3/ My father hasn't planted trees in the garden for two months.

--> My gather stopped.....

4/ My uncle has taught English for five years.

--> My uncle began....

5/ They haven't produced this kind of for a long time.

--> They stopped....

6/ Snow has dropped in this area since last December.

--> Snow started...

7/ It has not rained since this morning.

--> It stopped.....

8/ The boys have played football since 2 o'clock.

--> The boys began....

9/ Mr.Pike has worked for my boss for five years.

--> mr.Pike started....

10/ This department store has provided us with cheese since last summer.

--> This department store started....

11/ She has not drunk coffee since she was sick last week.

--> She stopped...

12/ I have not visited uncle Tri sinve 2006.

--> I last.....

13/ It's many years since linda last talked to me.

--> The last time.....

14/ We haven't seen mary since we left university.

--> We last...

15/ Long hasn"t wron Jeans since 2004.

--> The last time....

16/ I haven't travelled by plane for a year.

--> I last....

17/ My father gave up smoking cigarettes a month ago.

--> The last time.....

18/ You haven't helped me since you graduated from college.

--> You last....

19/ Mr.Brow stopped teaching English at this school on Jannuanary 10th.

--> The last time...

20/ She hasn't written to John since August.

--> She last...

21/He hasn't visited to his uncle since the beginning of this year.

--> The last time....

22/ I bought these air-conditioners at the beginning of December.

--> I have...

1
8 tháng 7 2019

Quá khứ & Hiện tại hoàn thành

1/you have taken part in this English-speaking club since last month.

--> You began...taking part in this English-speaking club last month ........

2/ She has learned french with foreigners sinve 2005.

--> She started...learning french with foreigners in 2005....

3/ My father hasn't planted trees in the garden for two months.

--> My gather stopped...planting trees in the garden two months ago...

4/ My uncle has taught English for five years.

--> My uncle began...teaching E five years ago.

5/ They haven't produced this kind of for a long time.

--> They stopped...producing this kind of a long time àgo.

6/ Snow has dropped in this area since last December.

--> Snow started.dropping in this area last December...

7/ It has not rained since this morning.

--> It stopped...raining this morning..

8/ The boys have played football since 2 o'clock.

--> The boys began.playing football 2 o'clock ago...

9/ Mr.Pike has worked for my boss for five years.

--> mr.Pike started..working for my boss five years ago..

10/ This department store has provided us with cheese since last summer.

--> This department store started..providing us with cheese last summer...

11/ She has not drunk coffee since she was sick last week.

--> She stopped..drinking coffee when she was sick last week..

12/ I have not visited uncle Tri sinve 2006.

--> I last..visited uncle Tri in 2006...

13/ It's many years since linda last talked to me.

--> The last time..Linda talked to me was many years ago...

14/ We haven't seen mary since we left university.

--> We last...saw Mary when we left university.

15/ Long hasn"t wron Jeans since 2004.

--> The last time...Long wore Jeans was in 2004.

16/ I haven't travelled by plane for a year.

--> I last.. travelled by plane a year ago..

17/ My father gave up smoking cigarettes a month ago.

--> The last time... My father gave up smoking cigarettes was a month ago..

18/ You haven't helped me since you graduated from college.

--> You last.. helped me when you graduated from college..

19/ Mr.Brow stopped teaching English at this school on Jannuanary 10th.

--> The last time. Mr.Brow stopped teaching English at this school was on Jannuanary 10th...

20/ She hasn't written to John since August.

--> She last..wrote to John in August..

21/He hasn't visited to his uncle since the beginning of this year.

--> The last time..He visited to his uncle was in the beginning of this year...

22/ I bought these air-conditioners at the beginning of December.

--> I have.bought these air-conditioners since the beginning of December...

8 tháng 7 2019

e nghi cj nen xem lai cau 5

2 o'clock la moc t/g "vvv

18 tháng 9 2018

1.The last time she saw him was him 3 months ago

=> It's 3 months since she last saw him

2.I last saw them 5 years ago

=>I have not seen them for 5 years

=>It's 5 years since I last saw them

3.They started working there 10 years ago

=>They have worked there for 10 years

4.She last read this letter 3 months ago

=>She has read this letter for 3 months

=>It's 3 months since she last read this letter

5.It's a long time since I last skipped rope

=>I have not skipped rope for a long time

6.He hasn't eaten dog meat before

=>This is the first time he has eaten gog meat

7.This is the most luxuruous hotel my family has ever lived

=>My family has never lived in such a luxurios hotel like this before

8.It is the most expensive car he has ever bought

=>He has never bought such an expensive car like that before

9.That is the worst restaurant we have ever eaten in

=>We have not eaten in such a bad restaurant like that before

16 tháng 8 2017

X/ rewrite each of the sentences so that the meaning stays the same

1. We have learnt English for 4 years

-> we started to learn English four years ago.

2. Ly's father started to give up smoking last year

-> ly's father has not smoked since last year.

3. The editor hasn't written to Mai for a month

-> the editor last wrote to Mai a month.

4. How long have you learnt Spanish

-> how long ago did you start to learn French?

10. How long have the Browns lived in this town ?

-> when did The Browns live in this town ?

Bài 1. Viết lại câu từ chủ động sang bị động1.   They started a dancing class last week……………………………………………2.   Mr.Smith saw the accident……………………………………………3.   Somebody has taken my briefcase……………………………………………4.   The teacher returned our written work to us……………………………………………5.   She has finished the report by...
Đọc tiếp

Bài 1. Viết lại câu từ chủ động sang bị động

1.   They started a dancing class last week

……………………………………………

2.   Mr.Smith saw the accident

……………………………………………

3.   Somebody has taken my briefcase

……………………………………………

4.   The teacher returned our written work to us

……………………………………………

5.   She has finished the report by noon

……………………………………………

6.   The mad dog bit the little boy

……………………………………………

7.   The police have arrested five suspects

……………………………………………

8.   The doctor ordered him to take a long rest

……………………………………………

9.   They used to finish the work on time

……………………………………………

10.         They are sweeping the streets

……………………………………………

1
21 tháng 10 2021

1. They started a dancing class last week

→ A dancing class was started by them last week.

2. Mr Smith saw the accident

→ The accident was seen by Mr Smith

3. Somebody has taken my briefcase
→ My briefcase has been taken

4. The teacher returned our written work to us

→ Our written work was returned to us by the teacher

5. She has finished the report by noon

→ The report has been finished by her by noon

6. The mad dog bit the little boy

→ The little boy was bitten by the mad dog

7. The police have arrested five suspect

→ Five suspects have been arrested by the police

8. The doctor ordered him to take a long rest

→ He was ordered to take a long rest by the doctor

9.   They used to finish the work on time

→ His work has to be finished on time

10. They are sweeping the streets

→ The streets are being swept by them

16 tháng 1 2018

1.I began living in ho chi minh city when I was 8

-->I have LIVED IN HCM CITY SINCE I WAS 8.

2.She has taught the children in this remote village for five months.

-->she started TEACHING CHILDREN IN THIS REMOTE VILLAGE 5 MONTHS AGO.

3.He hasn't written to me since April.

-->the last time HE WROTE TO ME WAS IN APRIL.

4.She hasn't had a swim for five years.

-->she last HAD A SWIM 5 YEARS AGO.

5.They last talked to each other two months ago.

-->They haven't TALKED TO EACH OTHER FOR 2 MONTHS.

6.The last time she saw her elder sister was in 1999

-->She hasn't SEEN HER ELDER SISTER SINCE 1999.

16 tháng 1 2018

1.I began living in ho chi minh city when I was 8

-->I have lived in Ho Chi Minh city since I was 8.

2.She has taught the children in this remote village for five months.

-->she started teaching the children in this remote village five months ago.

3.He hasn't written to me since April.

-->the last time he wrote to me was April.

4.She hasn't had a swim for five years.

-->she last had a swim five years ago.

5.They last talked to each other two months ago.

-->They haven't talked to each other for two months.

6.The last time she saw her elder sister was in 1999

-->She hasn't seen her elder sister since 1999.