10. If i knew English well, i could apply for that job.
11. He was believed to kill by terrorists.
12. I wish i could help you do your homework.
13. If i didn't drink a lot of coffee, i could sleep.
14. Unless you are careful, you will cut yourself with that knife.
15. If i hd listened to him, i would/could have succeed.
16. If he knew her problem, he would help her.
17. I wish i was good at English.
18. The chair was broken by Tom.
19. Vietnamese people is said are friendly.
20. It was not until 1980 that they began to learn English.
#nocopy
