1) If only I were a bird!

2) If only I had worked hard as a student!

3) If only I could land on the moon!

4. 連接詞in case可用來(lái)引起的虛擬語(yǔ)氣. 形式通常為: in case + 主語(yǔ) + should +動(dòng)詞原形. in case句中should 的可以省去, 也可以不用虛擬語(yǔ)氣, 而用陳述語(yǔ)氣.

1) He took his rain coat with him in case it should rain.

2) He doesn’t dare to leave the house in case he is (should be) recognized.

虛擬語(yǔ)氣單項(xiàng)選擇:

1. If I had had enough time, I 　　　　　my work.　　

　A. would finish　　　　 B. must have finished

　C. would have finished　　 D. had finished

2. Ten minutes earlier, they 　　　　　the plane.　　

A. will catch　 B. would catch　C. would have caught　D. will have caught

3. Mr. Green requires that the students 　　　　a composition every other week. 　　　　　　　　　　　　　　　　

A. write　　 B. written　　 C. would write　　 D. will write

4. Had he studied hard, he 　　　the exam.　　　　　

A. would pass　B. could pass　C. had passed　 D. would have passed

5. I wish I 　　　what is happening there in his room.　

A. know　　 B. known　　 C. knew　　 D. should know

6. It is important that you 　　　　　sports every day.　

A. have　　 B. would have　　 C. must have　　 D. will have

7. If there were no water in the world, everything 　　.　

A. will die　B. would die　C. would have died　 D. would have been dead

8. 　　　 what was going to happen ,I would never have left her alone.　　　　　　　　　　　　　　　　　　　　　

　A. Had I known　　 B. If I know　C. If I knew　　　 D. If had I known

9. He ordered that the work 　　　　　right away.　　　

A. should finish　 B. finished　C. would be finished　　 D. be finished

10. — Shall we go to the movie tonight?