7. The boys like (play) games but hate doing lessons.

→→The boys like playing games but hate doing lessons.

8. His doctor advised him (give) up smoking.

→→His doctor advised him to give up smoking.

9. Look at those black clouds. It (rain).

→→Look at those black clouds. It is going to rain.

10. When I was a small boy, I used (live) on a farm.

→→When I was a small boy, I used to live on a farm.

1. They (watch) their favourite TV programmes at the moment.

→→They are watching their favourite Tv programmes at the moment.

2. Mary and John are neighbors. They (know) each other for a long time.

→→Mary and John are neighbors. They have known each other for a long time.

3. We (arrive) in New York yesterday.

→→We arrived in New York yesterday.

4. We (begin) to study English since 1999.

→→We have begun to study English since 1999.

5. My mother is tired enough (cook) tonight.

→→My mother is tired enough to cook tonight.

6. The teacher asked me (not make) noise in class.

→→My teacher asked me not to make noise in class.

7. The boys like (play) games but hate doing lessons.

→→The boys like playing games but hate doing lessons.

8. His doctor advised him (give) up smoking.

→→His doctor advised him to give up smoking.

9. Look at those black clouds. It (rain).

→→Look at those black clouds. It is going to rain.

10. When I was a small boy, I used (live) on a farm.

→→When I was a small boy, I used to live on a farm.