=>
1. be
2. open
3. fly
4. be
5. take
6. be
7. hadn't rain
8. learn
9. complete
10. knew
11. didn't make
12. prepared
13. were
14. had worked
15. had given
16. were
17. had prepared
Câu giả định: It be adj that S V
Câu ước ở hiện tại: wish S V2/ed
Câu ước ở quá khứ: wish S had V3/ed
It looked as if S had V3/ed
Ex2/
1. A câu giả định: it be adj that S V
2. C suggest that S (should) V
3. B demand that S V
4. B it be adj that S V
5. C insist that S (not) V
6. A demand that S V
7. C ask that S V
8. C it be adj that S V
9. C chủ ngữ số ít -> V thêm s/es
10. B (propose that S V)
Ex3/
1. It looks as if he is running away from your fierce dog.
-> look as if S is/am/are Ving
2. If only I were rich and famous.
-> If only S V2/ed (không có thật ở hiện tại)
3. I wish I were in a secluded beach in Mexico.
-> câu ước ở hiện tại wish S V2/ed
4. It's high time you acquired a few manners.
-> it's high time S V2/ed ~ đã đến lúc ai (phải) làm gì
5. I really wish I had invited her to the party.
-> câu ước không có thật ở quá khứ wish S had V3/ed
6. I'd rather you didn't smoke here.
-> would rather S V2/ed
7. I wish you wouldn't say things like that.
-> câu ước wish S would (not) V