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 (1)

5. He has written to me since April.

→ The last time he wrote to me was April (2)

6. She hasn’t had a swim for five years.

→ She last had a swim five years ago (2)

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

→ They haven’t talked to each other for two months (2)

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

→ She hasn’t saw her elder sister since 1999 (2)

9. She hasn’t written to me for years.

→ It’s years since she last wrote to me (3)

10. Robert and Catherine have been married for ten ỵears.

→ It’s ten years since Robert and Catherine married (3)

11. It’s two weeks since they deaned their room.

→ They haven't deaned their room for two weeks (3)

12. It’s over six months since John had his hair cut.

→ John hasn't had his hair cut for over six months (3)

13. How long is it since you rode a bicyde?

→ When did you last ride a bike?

14. How long is it since he wrote to ỵou?

→ When did he last write to you?

15. When did he last talk to you?

→ How long is it since he talked to you?

16. She started driving 1 month ago.

→ She has driven for 1 month (1)

17. We began eating when it started to rain.

→ We have eaten since it started to rain (1)

18. I last had my hair cut when I left her.

→ I haven’t had my hair cut since I left her 92)

19. The last time she kissed me was 5 months ago.

→ She hasn’t kissed me for 5 months (2)

(1) S + has/have + V3/ed........for/since..

= S + began/started + to Vo/V-ing ...........

(2)S + has/have + V3/ed + since/for....

= S + last + V2/ed + .............

= The last time + S + V/ed + was .....(time) + (ago)

(3)S + has/have (not) + V3/ed + for + (time)

= It's + (time) + since + S + last + v2/ed

#NC