6. Him driving away
7. The robber coming from the back door
8. Me pay some extra money
9. Her crossing the road
10. They singing a song
11. Him lock the door
12. Me clean the house
13. Too heavy for me to lift
14. Was so expensive that we didn’t buy it
15. Important for your health to eat nutritious food
16. This story is about a man whose name is Robin Hood
17. After we had walked for 3 hours, we reached the top of the hill
18. Who does this bag belong to?
19. I was trying to ring Dave while he was trying to ring me.
20. I studied at Oxford University from 2000 to 2004
21. Mary had made a sandwich before sitting on the sofa to watch TV

6. She noticed the boy run away from the house.

7. I could feel the robber come the back door. 

8. Do you think the school will make me pay some extra money ?

9. I saw her cross the road.

11. I observed he lock the door.

12. My parents made me clean the house. 

10. I heard they sing a song 

13. this box is too heavy for me to lift.

14. The house was so expensive that we didn't buy it.

15. It is important for your health to eat nutritious.

16. This story is about a man whose name was Robin Hood.

17. After we had walked for 3 hours , we reached the top of the hill.

18. Who does this bag belong to ?

19. While I was ringing Dave , he was ringing me.

20. I used to studied at .......

21. Before Mary sad on the sofa to watch TV

                                                      Chúc bạn học giỏi!