Câu trả lời nè bạn ơi!
1. If you study hard, you will pass this year's exam.
2. If the weather were fine, we would go on a picnic.
3. If the weather had been fine, we would have gone on a picnic.
4. If the weather had been fine, we wouldn't stay home.
5. If I went to Paris, I could visit the Eiffel Tower.
6. If they invited me, I would go.
7. If I studied hard, I wouldn't get bad result.
8. If I had studied hard, I wouldn't get bad result.
9. If I had gone to Paris, I could have visited the Eiffel Tower.
10. If they had invited me, I would have gone.
11. If he didn't get my email, he wouldn't sent the information we need.
12. If he hadn't got my email, he wouldn't have sent the information we need.
13. If he hadn't got my email, he wouldn't send the information we need.