III.

1. my father earned much money, life would be easy for us.

2. the water weren't too dirty, we could bathe in this part of the river

3. weren't always so crowded, I woukd take the bus to work every morning

4. people realized how important it is to conserve energy, they would do something about it

5. I had known how difficult the job was, I wouldn't have taken the job

6. the man hadn't missed the bus, he would have gone to work

7. Mary had had enough money, she would have bought the book

--- câu điều kiện loại II: If S V(QKĐ), S would/could/might Vnt.

câu điều kiện loại III: If S V(QKHT), S would/could/might have VPII.

---

12. are usually held at the university by the students

13. are being destroyed everyday

14. I was introduced to Dr Felix by her last year

15. was being used so we couldn't play

16. in the town have been killed by the earthquake

17. which can play music has just been invented by Stephen Court

18. had already been reported by somebody before I phoned

19. like this one can be bought anywhere

20. was invented by Thomas Edison in 1877