4. They are interested in walking in the rain.
5. She has been teaching in that school since 1973.
6. That film will be seen soon.
7. A new building has just been built near my house.
8. The boy said that they had to try their best to win the match.
9. She asked Lan how many members there were in her family.
10. He is used to getting up early in the morning.
11. The boy who sits next to me is from China.
12. The street which leads to my school is very wide.
13. Although he is very rich, he never helps the poor.
14. Phong asked Peter if he enjoyed reading books.
15. She asked me if there were any oranges in the fridge.
16. Smoking cigarettes is bad for our health.
17. All the prisoners will be caught again by the police by tonight.
18. His parents won't buy him the new game, will they?
19. Everyone warned you, didn't they?
20. Somebody borrowed his car yesterday, didn't they?
B3.
1. She has not eaten eel soup before.
2. She has written for 30 minutes.
3. They have studied English since they were in grade 3 .
4. I haven't seen him for 3 weeks.
5. He hasn't watched this movie for 6 months.
6. She hasn't seen her parents for a long time.