I. Viết lại các câu sao cho nghĩa không đổi, bắt đầu bằng cụm từ cho sẵn.
1. If he has free time, he’ll play tennis.→ Should ……………………………………………………..
2. If she comes early, we’ll start.→ Should ……………………………………………………….
3. They would answer me if they were here.→ Were ………………………………………
4. If I learnt Russian, I would read a Russian book.→ Were …………………………………
5. If they lived in Australia now, they would go swimming.→ Were ……………………………
6. If it had rained yesterday, we would have stayed at home.
→ Had ………………………………………………………………………
7. If he had trained hard, he would have won the match.→ Had ……………………………
8. If she were not shy, she would have a good time at the party.
→ Were ……………………………………………………………………..
9. If I hadn’t seen it, I wouldn’t have believed it.→ Had …………………………
10. If it hadn't been for the traffic, I wouldn't have been late.→ Had it ……………………………
11. Without your help, I wouldn’t pass the exam. → If you …………………………
But for your help, I would die.→ If it ……………………………………