1、虛擬語氣在名詞從句中一、基本形式1. 在由 suggest, dema nd, require, request, in sist, order, comma nd, propose 等表示建議、請求、命令、愿望等動詞或其同根詞引出的名詞從句中，名詞從句虛擬句的謂語變化的形式只有一條規律一一名詞從句虛擬句無論其主句的謂語動詞時何種形式，從句的謂語形式均為should+動詞原形，其中should可以省去。（特別提醒：不是用would,而是用should。）常見的這類動詞有 ：ask要求,advise, beg, suggest 建議,comma nd 命令,dema nd 要求，request請

2、求, insist, require 要求,order 下令,propose, advice, recommend, intend, prefer 寧愿,permit, persuade, expect, decide 決定,in struct, object, determ ine, urge, appoint 等等Our teacher suggested that we (should) not leave the classroom.老師建議我們不要離開教室。He in sisted that she do it right now.他堅持她馬上就做。在It is/was +上述動詞的

3、-ed形式+that從句中It is suggested by the doctor that I should give up smoking.醫生建議我戒煙。當上述動詞以其名詞形式出現，并且被用作主語，引導一個表語從句或者冋位語從句時My suggesti on is that we (should) set out tomorrow morning.我建議我們明早動身。The suggesti on that the sports meeti ng (should) put off在 It is /was necessary, important 等形容詞 +that 從 句中，常見的這

4、類形容詞有：n ecessary, importa nt,esse ntial, vital, advisable, urge nt, desirable, n atural, strange, imperative 等It is necessary that you should attend the meeting.你有必要參加會議。It is imperative that you arrive there in time. 你必須按時到達那兒。在 It is a pity (a shame, no wonder)+that 從句中It is a pity that you fail t

5、he exam.It is no won der he be late for class.注意1: insist / suggest各有兩種意思，要用不同的語氣Insist表示 堅決要求"時，用虛擬形式，即 should + do;Insist表示 堅稱，堅持說”時，用陳述語氣，表示事實。Suggest表示建議"時，用虛擬形式。Suggest表示 表明、暗示"時，用陳述語氣。I insisted that he was right.我堅持認為他是對的。Your pale face suggests that you are ill.你蒼白的臉表明你病了。注意2：

6、It ' s (high/right) timehatthat從句要用虛擬語氣：謂語用過去時或should + do ,should 不可略。 It' s time that you left here. 或 It 'time that you should leave here.2. wish后面的賓語從句的謂語動詞應使用虛擬語氣，表示 可惜 就好了；悔不該;但愿?！敝骶渲^語從句謂語wish時態謂語動詞的形式現在時表示與wish同時發生動詞用過去時be動詞用were過去時表示在wish之前發生的動作動詞用had done be 用 had been將來時表示在wish

7、之后發生的動作動詞用 would do; should do be 用 would be ; should beI wish I knew the key to the an swer.I wish I were ten years youn ger.I wish that I had gone to the football match last week.I wish that you had bee n here yesterday.He wishes that we would visit the old school.How I wish these boys would be qu

8、iet .二、其它句式1、if only意為：若是那該多好啊；真希望.;只要，只要就好。表示含蓄的條件，這時主 句要用虛擬語氣If only I had arrived in time! 我要是能及時來，那該多好?。f only she had n ot driven so fast.她要是沒開那么快該多好啊。2、would rather+從句謂語用過去時來表示現在或將來。其意為 寧愿還是好些個人寧愿另一個人做某事 ”。引導從句的 that 常省略。過去的動作，謂語則用過去完成時。John wants to see me today. I would rather he came tomor

9、row than today.約翰今天想去看我。我寧愿他明天來看我而不是今天。(句中came不是表示過去而是表示將來 )三、綜合練習(一)適當形式填空。1.1 wish I (study) hard while I was young.2.It is about time that fence (mend).3. My request is that we (hold) another session to discuss the problem.4.It is strange that the car (break) down at exactly the same place where

10、it (break)down yesterday.5. The baby smiled as if he (understand) what his mother (say).6. He talked as if he (do) all the work himself, but in fact Tom and I (do) most of it.7.If only we (have) a phone! I'm tired of queuing outside the public .phone box“Can we come in late tomorrow? “”I ' d

11、 rather you (come) in on time.8. He looks as if he (be) ill for a long time.9. He always talks as though he (address) a public meeting.10.If a metal (heat), it will expand.11.1 (stay) home if it rains this evening.12.1 wish they (stop) making so much noise so that I could concentrate on my work.13.I

12、t is inconceivable that he (not see) me that day for I (wave) to her.14. What a pity that he gave orders that all those lovely trees (cut) down.15. Mr. Jones would rather (stay) home last night.16. Henry would rather that his brother (work) in the same department as he does.17. Electric current flow

13、s through a conductor as though it (be) a fluid.18. We (invite) her to the party but we didn'tknow that she (already, come) back from abroad.19. Today's in dustrial producti on (be) impossible without the con tributi on made by thescie nee of physics.20.1 hate driving. I dmuch rather you(dri

14、ve).21. The guests(arrive) last ni ght, but there is still no n ews about them.22. Mother(feel) an xious if I came home late.23. Eve n if I(be) with you the n, I(can, not, do) much for you.24. A less con scie ntious man(not, try) so hard to get this job done.25.lsn't it surpris ing that he(have)

15、 two car accide nts duri ng the past week?(二)翻譯句子：1、我們萬一不能及時完成這個任務怎么辦？2、有人建議我們舉行一次講演比賽。3、你其實可以讓我幫助你的。4、現在是認真研究這個問題的時候了。5、真遺憾他竟然忘記通知你們這件事了。6、對這些學生的全部要求是努力學習，遵守規章制度。參考答案：1. had studied 2 were men ded3. (should) hold 4. should have broke n / broke5. had un derstood / said6. had done / did 7. had/came 8

16、. had bee n9. were address ing10. is heated 11. will stay 12. would stop13. should not have see n / waved 14. be cut 15. have stayed 16. worked17. were 18. would have in vited / had already come 19. would be 20. drove 21. should have arrived 22. would feel 23. had bee n / could not have done24. would not have tried 25. should have had(二)翻譯句子I.What if we could not fulfill the plan in time?2.It is suggested that we (should) hold a speech con test.3. You might have asked me to lend you a hand.4.It is time we studied this problem seriously.5. What a pity that the