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. I haven' t taken a bath since monday.

~ It is.......monday since I last took a bath..…

2. It's 2 years since I had a punture

~ I have..not had a punture for 2 years...

3. He last shaved the day before yesterday

~ He has...not shaved since yesterday...

4 It's 2 months since he eared any money

~ He hasn't...earned any money for 2 months.....

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

~ I haven't ...drunk champagne since my brother's wedding.....

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

~ I haven't .been in Rome for 2 years.......

7. I saw Tom last on his wedding day 

~ I haven't .......seen Tom since his wedding day........

8 . I last ate raw fish when I was in Japan

~ I haven't ....eaten raw fish since I was in Japan..........

9. It's years since Mary last spoke French

~ Mary hasn't .....spoken french for years......

10. It's ten weeks since I last had a good night sleep 

~ I haven't.......had a good night sleep for 10 weeks.........

1. I haven' t taken a bath since monday.

~ It is....Monday since I last took a bath .....…

2. It's 2 years since I had a punture

~ I have..not had a punture...

3. He last shaved the day before yesterday

~ He has not...shaved since yesterday ...

4 It's 2 months since he eared any money

~ He hasn't....eared any money for 2 months....

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

~ I haven't .drunk champagne since my brother's wedding......

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

~ I haven't ..been in Rome for 2 years......

7. I saw Tom last on his wedding day 

~ I haven't ..seen Tom since his wedding day.............

8 . I last ate raw fish when I was in Japan

~ I haven't ....eaten raw fish since I was in Japan..........

9. It's years since Mary last spoke French

~ Mary hasn't ...spoken French for years........

10. It's ten weeks since I last had a good night sleep 

~ I haven't..had a good night sleep..............

36 seen Nam for 3 years.

37 not to make so much noise.

38 very important to keep the environment clean.

1.She haven't seen her lover for 2 months

The last time she saw her lover was 2 months ago

2.The last time I was really drunk was in my birthday party

I haven't been really drunk since my birthday party

3.It's nearly 20 years since my father last saw his brother

My father hasn't seen his brother for nearly 20 years

4.He last met my sister last summer

He hasn't met my sister since last summer

5.How long have you studied medicine?

When did you start studying medicine?

6.We haven't travelled for a year

The last time we travelled was a year ago

7.We last saw our grandfather two years ago

WE haven't seen our grandfather for two years

8. I have never read such a romantic story

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

9.It's nearly twenty years since my father married my mother

My father has married my mother for nearly twenty years

10.The last time we went to a cinema was two years ago

We haven't gone to a cinema for two years

1 The last time she taught English me we was 5 months ago

=>She hasn't..taughr me English for 5 month.......

2 It is a long time since we last met.

=>We haven't.met for a long time.......

3 When did you have it ?

=> How long.have you had it.?.....

4 This is the first time. I had such a delicious meal.

=> I haven't..had a delicous meal before........

5 I haven't taken a bath since Monday 

=> It is .the last time I have taken a bath since Monday......

6 It's 2 years since I had a punture

=> I haven't .had a puniture for 2 years....

7 It's 2 month since he earned any money

=> He has .earned money for 2 months...

8 He last shaved the day before yesterday

=> He hasn't.shaved for 2 days....

9 I last drank champagne at my brother's wedding

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

10 It's  2 years since I was last in Rome 

=> I haven't .been to Rome.for 2 years........

11 I saw Tom last on his weddind day 

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

12 I last ate raw fish when was in Japan 

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

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. It's 2 months since they last ate meat

They haven't.....eatten meat for 2 months......................................

2. We began studying here 5 year ago

We have.......studied here for 5 years.........................................

3. This is the first time we have been to Singapore

We have....not been to Singapore before ............................................................

4 I last saw him when I was a student

I haven't.........seen him since I was a student....................................

1. They haven't eaten meat for 2 months.

2. We have studied here for 5 years.

3. We have never been to Singapore before.

4. I haven't seen him since I was a student.

Học tốt~♡

1. It's 2 months since they last ate meat

They haven't...............eatten meat for 2 months ............................

hc tốt 

I haven't seen him for months

=> I last saw him months ago

I haven't beem to a concert for over a year

=> The last time I was to a concert was over a year ago

The last time I really enjoyed myself was you birthday party

=> I haven't enjoyed myself since your birthday party

It's nearly 20 years since my father saw his brother

=> My father hasn't seen his brother for nearly 20 years

When did you learn to driver?

 => How long have you learnt to driver?

you have tidied this room for week?

=> I't weeks since you last tidied this room

we starrted looking for a flat 2 months ago and we are still looking?

=> We have looked for a flat for 2 months and we are still looking

This is the first time I've been to a night club?

=> I haven't been to a night club before

They have never hear such a thing before?

 => This is the first time They have heard such a thing

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