=>
I/
1. so -> too
2. regular -> regularly
3. son -> girl
4. will -> won't
5. that -> those
6. will have been -> is
7. ways -> way
8. inviting -> invite
9. nowhere -> anywhere
10. to -> x
11. a -> an
12. enough easy -> easy enough
13. by -> on
14. is -> are
15. interest -> interested
II/
1. Nam wishes he had a dog.
2. She asked me where I lived.
3. I wish I didn't get up late every morning.
4. My teacher asked me if I played soccer.
5. Mr.Toan said that he was a teacher.
III/
1. lived
2. turned
3. learn
4. liked
5. could play