1. 一些要求用“过去式或过去完成式”来表示虚拟的固定句式. 过去式表示与现在事实相反;过去完成式表示与过去事实相反.它们有：
(1)wish + 从句
(2)主 + would rather + sb + V .
(3)It’s ( high ) time that …(只用过去时)
(4)If only +从句
2.用(should )+(原形)来表示虚拟的情况
虚拟语气在动词suggest, desire, require, command, propose, order, insist, request, 等表示“请求,建议,命令,要求”后面的宾语从句中用“should +动词原形”, should可以省略。
Note: suggest表示“表明”时不用虚拟语气.
All the evidence suggested that he stole the money.
3. 表示祝愿
1) wish + adj./n.
2) may+动词原形, 此时may只能放于句首.
Note: I wish that…不是表示祝愿, 但动词原形可表示祝愿.
Exercises:
1.The teacher demanded that the exam ___________ before eleven.
A. must finish B. would be finished C. be finished D. must be finished
2.She made the suggestion that I __________ my homework first before watching TV.
A. did B. do C. shall do D. have done
3.If only I ________ as young as you are!
A. being B. am C. be D. were
4.The secretary suggested that they ____ the men in at once.
A. had brought B. should have brought C. brought D. bring
5.I wish I ____ able to tell him all about it last night.
A. was B. were C. had been D. should be
6.The Jade Emperor ordered that the Monkey King _____ right away.
A. would be arrested B. must be arrested C. be arrested D. had to be arrested
7.Mr. Brown would rather that his son _________ in the royal(皇家的)air force last year.
A. served B. had served C. could serve D. has served
8.Jane’s uncle insisted ____ in this hotel any longer.
A. not staying B. not to stay C. that he not stay D. staying not
9.─Oh! It’s ten o’clock.
─It’s time you ________ to bed, little Frank.
A. to B. will C. went D. gone
10.How I wish I ____ to repair the watch! I only made it worse.
A. had tried B. hadn’t tried C. have tried D. didn’t try
11. He demanded that the laboratory report ___ immediately after the experiment was done.
A. was written B. be written C. must be written D. would be written
12. It’s high time that we ___ to school.
A. would to B. went C. go D. will go
13. I’d rather you ___ right away.
A. leave B. left C. will leave D. to leave
14. He insisted that he ___ me before.
A. see B. should see C. had seen D. saw
A. he doesn’t always make B. he isn’t always making
C. he didn’t always make D. he wouldn’t always make
16. I wish I ___ what to do.
A. knew B. have known C. know D. would know
17. It is high time we ___ off.
A. are B. were C. be D. will be
18. Jane’s pale face suggested that she ______ ill, and her parents suggested that she ______ a medical examination.
A. be, should have B. was, have C. should be, had D. was, has
19. James wishes he ___ the football game instead of the film.
A. saw B. see C. had been seen D. had seen
20. The doctor suggested that she ___.
A. will not smoke B. not smoke C. would not smoke D. did not smoke
key：
CBDDC/CBCCB/BBBAC/ABBDB