1. It's two years since I saw her

→ I haven't seen her for 2 years.

2. She gave him a ticket to the concert

→ He was given a ticket to the concert.

3.The house will have to be redecorated

→ We will have to redecorated the house.

4. Whe I was a child, I often followed my mother to the market

→ I used to follow my mother to the market.

5. Study harder or you will fail the exam

→ If you don't study hard, you will fail the exam.

6.Nobody has seen him for ages

→ He hasn't been seen for ages.

7. They often went to Vung Tau at weekends

→ They used to go to Vung Tau at weekends. 

11. I haven't seen her since 2007  -> it's...13 year since I.last saw her......

12.I haven't been to the dentist's for 2 years -> it's..2.year since the last time I went to the dentist........

13. It's last year since i last heard from her -> I have..heard.from her for 1 year......

14. It's 2 years since i saw her -> I haven't...seen her for 2 years.

15.Na and Mi last visited their parents in 1998 -> it's...22 year since the last time Na and Mi visited their parents...

16. She last visited her parents in 1998 -> it's..22 year since the last time she visited her mother......

17.The last time i saw him was ten years ago -> it's..ten years since the last time I saw.him...

18. They haven't phoned us for a month -> it is.a month since the last time they.phoned ours..........

19. They haven't seen my friend for 1 month  -> It is 1 month.since the last time they.saw my.friend........

20. John has not had his hair cut for over six months -. it is..over 6 months since the last time John cut his hair.........

21.Lan and Maryam have corresponded for 3 years -> it is 3 years .since the last time Lan and Maryam corresponded............

22. Lan hasn't written to Maryam gor 2 months -> Lan didn't..write to Maryam 2 months ago.......

1.He last paid taxes in 1970

~ He hasn't paid taxes since 1970.

2. I last ate meat 5 years ago 

~ I haven't eaten meat for 5 years.

3. It's 3 months since the windows were cleaned 

~ The windows haven't been cleaned for 3 months.

4. It's years since I took photographs

~ I haven't taken photographs for years.

5. I last watched TV on new years's day

~ I haven't watched TV since new year's day.

6. It's 3 months since he wrote to me

~ He hasn't written to me for 3 months.

7. The last time I was aboard was in the summer of 1978

~ I haven't been abroad since the summer of 1978.

8. It's ten years since that house was lived in 

~ That house hasn't been lived for 10 years.

9.I haven't seen him for 2 months 

~ I last saw him 2 months ago.

10.I haven't been to a concert for over a year 

~The last time I was to a concert was over a year ago.

1.She hasn't performed for ten years ago.

2.He spent nearly two hours doing the washing up.

3.It took him two hours to study for the test.

5.I last worked for him six months ago.

10.They spent two hours finishing their homework.

12,I haven't seen him since I was in high school.

Present perfect vs present simple tense  1. I haven't seen him for 8 days 

=> The last time I met him was 8 years ago

2.I haven't taken a bath since sunday 

=> It is 6 days since I took a bath

3.It's 2 years since I had a punture 

=> I have had a punture for 2 years.

4.It's 2 months since he earned any money 

=> He has eared any money for 2 months

5. He last shaved the day before yesterday 

=> He hasn't shaved the day since yesterday

6.I last drank champagne at my brother 's wedding 

=> I haven't drunk champgne since my brother's wedding

7.It's 2 years since I was last in Rome 

=> I haven't been in Rome for 2 years

8.I saw Tom last on his wedding day 

=> I haven't seen Tom since his wedding day

9.I last ate raw fish when i was in Japan 

=> I haven't eaten raw fish since i was in Japan

10.It's years since Mary last spoke french 

=> Mary hasn't spoken French for year

1.They last talked to each other two month ago.

=>They haven't talked to each other for 2 months

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

=>She hasn't seen her elder sister since 1999

3.She hasn't written to me for years.

=>It's years when she wrote to me

4.Robert anh Catherrine have been marrid for ten years

=>It's ten years when Robert and Catherine were married

5.It's two week since they clean thier room

=>They have cleaned their room for 2 weeks

6.It's over six months since Jonh had his hair cut

=>John had had his hair cut for over 6 months

7.How long is it since he wrote to you?

=>When did he last wrote to you?

1)They haven't talked to each other for two months.

2)She hasn't seen her elder sister since 1999.

3)It's years since the last time she wrote to me.

4)It's ten years since Robert and Catherrine  were married.

5)They haven't cleaned their room for two weeks.

6)John hasn't had his hair cut for over six months.

7)When was the last time he wrote to you?

Bạn ơi, câu 3 tớ nghĩ  là since he wrote to me

             câu 4 tớ nghĩ là Robert anh Catherine have maried. 

             câu 5 bạn sai nhé : have => haven't

Mong bạn trả lời nha

1. I started riding a bike 10 years ago

-> I have ridden a bike for 10 years

2. It is one month since I last saw my father

-> I haven't saw my father for a month

3. He last visited London three years ago

-> He hasn't visited London for 3 years

4. She last telephoned him two months

-> She hasn't telephoned him for 2 months

5. We have never eaten this kind of food before

-> It's the first time we have eaten this kind of food

6. This is the first time I have seen this film

-> I have never seen this film before

7. This is the first time he went abroad

-> He hasn't gone aboard before

8. She started driving 1 month ago

-> She has driven for a month

1) He last met my sister last summer.

=> He hasn't met my sister since last summer.

2) How long have you studied medicine?

=> When did you start to study medicine?

3) We haven't been to the concert for over a year.

=> The last time we were to the concert was over a year ago.

4) We last saw our grandfather two years ago.

=> We haven't seen our grandfather for 2 years.

5) I have never read such a romantic story.

=> This is the first time I have ever read such a romantic story.

6) It's twenty years since my father saw my uncle.

=> My father hasn't seen my uncle for 20 years.

7) The last time we went to a cinema was 2 years ago.

=> We haven't gone to a cinema for 2 years.

8) He hasn't come back to his village for over 20 years.

=> It's over 20 years since he last came back to his village.

9) The last time we saw him was on Monday.

=> We haven't seen him since Monday.