Câu đều kiện loại 1 : If S + V-s/es ( hiện tại đơn ) , S + will/ can/ shall V : dùng để diễn tả những sự việc/ điều kiện có khả năng xảy ra ở hiện tại hoặc tương lai.
Câu điều kiện loại 2 : If S + were / V - ed ( V quá khứ ), S + would/ could/ might V ( không có thật ở hện tại nên tobe luôn luôn là were mà không phải was ) : câu điều kiện không có thực ở hiện tại, dùng để nói về một sự việc/ điều kiện KHÔNG THỂ xảy ra ở hiện tại hoặc tương lai.
Câu điều kiện loại 3 : If S + had PP , S + would/ could/ might have PP + O ( không có thật ở quá khứ ) : câu điều kiện không có thực ở quá khứ, dùng để nói về một sự việc/ điều kiện ĐÃ KHÔNG THỂ xảy ra trong quá khứ.
7. had used - wouldn't have cut
8. had celebrated - would have brought
9. would have taken - had run
10. hadn't forgotten - would have given
Ex 3 : Chia dạng đúng của động từ trong ngoặc :
1. will give
2. would type
3. would have visited
4. attended
5. knew
6. arrived
7. wouldn't make
8. were
9. find
10. would be
11. would have - hadn't spent (ĐK hỗn hợp)
12. gives - will you do
13. press - will save
14. would be - taught
15. had bought - wouldn't have lost
Bài 4 : Chuyển sang câu đều kiện
2. Stop talking or you won’t understand the lesson.
⇒ If you keep talking, you won't understand the lesson.
3. I don’t know her number, so I don’t ring her up.
⇒ If I know her number, I will ring her up.
4. I don’t know the answer, so I can’t tell you.
⇒ If I know the answer, I will tell you.
5. We got lost because we didn’t have a map.
⇒ If we had had a map, we wouldn't have got lost.
6. Susan felt sick because she ate four cream cakes.
⇒ If Susan hadn't eaten four cream cakes, she wouldn't have felt sick.
7. Without this treatment, the patient would have died.
⇒ If we hadn't had this treatment, the patient would have died.
8. He lost his job because he was late every day.
⇒ If he hadn't been late every day, he wouldn't have lost his job.
9. Peter is fat because he eats so many chips.
⇒ If Peter ate less chips, he wouldn't be fat.
10. Robert got a bad cough because he started smoking cigarettes.
⇒ If Robert hadn't started smoking cigarettes, he wouldn't have got a bad cough.
