1) He has drunk water for two hours.

2) How long has she had lunch?

3) How long have they began doing the housework?

4) The last time I worn uniform was 4 years ago.

5) It is the first time he has swum here.

6) It is in 2005 since she last drove a car.

7) The last time they studied English was 7 months ago.

8) My sister last wrote to me when she left school.

9) The last time they listened to music was 3 days ago.

10) It is in 2009 since he last rode a bike to school.

11) My father last saw us when he left.

12) He last worn uniform in Tuesday.

Công thức để chuyển dạng này:

1. S + have/has + not + P2 + for + time

=> It's + time + since ... + last + QKĐ

2. S + have/has + never + P2 + before

=> It/This is the first time + S + have/has +P2

3. S + have/has + not + P2 + for/since ...

=> The last time S + V(qkd) + was + time + (ago)

=> S + last + V(qkd)  + time + ago

4. S + have/has + P2 + for + time

=> S + began/started + Ving ... + time + ago

`1.` He has drunk water for two hours.

`2.` How long has she had lunch?

`3`. How long have they begun doing the housework?

`4`. The last time I wore a uniform was 4 years ago.

`5`. It is the first time he has swum here.

`6.` It is 2005 since she last drove a car.

`7.` The last time they studied English was 7 months ago.

`8.` My sister last wrote to me when she left school.

`9.` The last time they listened to music was 3 days ago.

`10.` It is in 2009 since he last rode a bike to school.

`11.` My father last saw us when he left.

`12.` He last wore his uniform on Tuesday.