情态动词虚拟语气归纳

1、I. 1-5:BBAAA 6-10: CDAAD 11-15 ADDDD 1619 ABDCD 2025: CACCD 26-30: CBCDA 3135 DCBDB 3640 CA DDC 41-44 DDCCModal verbs must 必须必须 (主观主观;命令命令) / 一定要，非得要一定要，非得要 (No.2、8; /44) Why must you be talking so loudly while others are studying? 2. should； ought to 应该应该 (责任、义务）责任、义务）(No.3) 3. have to （客观）不得不（客观）不

2、得不（ have got to 多见于口语多见于口语;否定否定dont have to. No 42）一一 表示必须表示必须二二 表示许可表示许可 1. May 表示许可表示许可 （比（比can 正式；正式；Might 过去式；语气更委婉）过去式；语气更委婉）2.Can 用于口语用于口语 （could 过去式；语气过去式；语气更委婉）更委婉）(No. 9) May I ? Yes, you can.Could I ? Yes, you can.三三 表示能够表示能够 Can 表示表示 习惯能力习惯能力 2. be able to 经过努力而作成某事经过努力而作成某事 = manage to d

3、o sth.在否定结构中，二者可以互换。在否定结构中，二者可以互换。四四 表示意愿表示意愿 Will/ would （主语的意愿）（主语的意愿）Ill / He ll （would） try my best to overcome the difficulty. （Would 语气更语气更委婉）委婉）2 shall （说话人的意愿；（说话人的意愿；第二、三人称陈第二、三人称陈述句中述句中）1）表示允诺）表示允诺 “会（得到）会（得到）。(No.11)2）表示命令）表示命令/警告警告 威胁威胁 “必须必须” (No.12)五五. 表示请求表示请求 Will/ would （第三人称）（第三人称）

4、 Will you help me to put these books in order? 2. Shall (第二、三人称）第二、三人称） (No.17)Shall I help you?Shall he come in?六六. 表示习惯动作表示习惯动作 would ( Would 后只能接表示动作的动后只能接表示动作的动词。词。) She would sit for hours without saying a word.2. be used to (used to 则还可以接表示状态的则还可以接表示状态的动词。动词。)He used to be a worker.七七. 表示猜测表示猜

5、测 must (肯定句肯定句) 一定一定 (No. 1, 7)2. may /might （肯定、否定（肯定、否定 ）也许（不）也许（不）3. can /could（ 否定否定 、疑问、疑问 ）不可能、会）不可能、会是是?(No. 5, 6, 20, 21, )4. should (十有八九十有八九) 应该应该 (往往指将来往往指将来)5. can (理论上理论上) 会是会是 (No. 43) 1.neednt have done 本不必本不必 (N0.41) 2. should have done/ ought to have done- 本该做某事本该做某事 (N0.4, 10, 19)

6、shouldnt/ oughtnt to have done 本不该做某事本不该做某事3.must have done 一定做过某事一定做过某事 (N0. 1)4. may /might (not) have done 也许也许(未未)做过某事做过某事 (No.18) 5. cant/ couldnt have done 不可能做过某事不可能做过某事 6.would (not) have done 本会本会/不会做某事不会做某事 (No.23) 7. could/might (not) have done本本 (不不)可能做某事可能做某事 (虚拟虚拟) (N0. 15, 26, 36; 32,

7、)八八. 情态动词情态动词+完成式完成式猜测猜测九九. 既可做情态动词又可做既可做情态动词又可做实意动词实意动词dare (dared)/ need (needed)1、情态动词用于否定、疑问句；条件从句中。、情态动词用于否定、疑问句；条件从句中。 Dare/ Need you go here alone? I dare/need not do so. I wont allow you to swim in the river, even if you dare do it.2、做实意动词用于肯定句、否定、疑问句、做实意动词用于肯定句、否定、疑问句、条件从句中；后加不定式。条件从句中；后加不定

8、式。 I dared /needed to tell him about it.Subjunctive mood一: 虚拟语气在条件状语从句中的用法。条件从句 If 从句的谓语形式 主句的谓语形式现在过去未来过去时（过去时（be 动词动词用用were）过去完成时would/could/should/might +V.（原）（原）would/could/should/might+have+p.p.1.过去时过去时2.should+V.3. were to dowould/could/should/might +V.（原）（原）二：虚拟语气特殊句型： Wish 的宾语从句现在：过去：未来：过去时（

9、过去时（were）过去完成时过去完成时would/could/might+V. 2. as if /though + Clause现在：现在：过去：过去：将来将来 :过去时过去时过去完成时过去完成时would/could/might+V.No.133. Would rather that现在：过去：未来：I would rather you paid me now. Id rather she hadnt done that.Id rather you painted the wall green next time.过去时过去时过去完成时4.Its (high) time +that -sh

10、ould +V.过去时你该走了。Its high time that you went.Its high time that you should go.5.表示要求，命令，建议的虚拟语气。 宾语从句。常见动词： 一个坚持，两个命令，三个建议，四个要求。即 1.insist (No.14,16) 2. order, command 3. advise, suggest, propose 4. demand , require, request, desire 这些动词后面的宾语从句要使用虚拟语气用法。即从句中的动词 使用should + 动词原形，或者将should省略。 6. without

11、, but for(要不是要不是), otherwise(否则否则) suppose(假定假定) , if it were not for (如果没有如果没有) 等其他形式的虚拟语气。等其他形式的虚拟语气。 He is not a careful driver; otherwise he wouldnt have had that accident. Without air, there would be no living things.But for your help, I wouldnt have finished the work.7. If only 要是就好了要是就好了 (c.f

12、. wish) (No.38)If only I knew his name!If only we had followed your advice!If only I could see him again!8. Its necessary /strange/ natural/ important + that-Clause 等等主语从句中的动词要用虚拟，主语从句中的动词要用虚拟，即（即（should）+动词原形，表示惊奇、惋惜、动词原形，表示惊奇、惋惜、理应如此等。理应如此等。should意为意为“应该应该”，“竟然竟然” It is important that we ( should

13、) master a foreign language. It is strange that she (should) refuse to come to the party. (No.37) It was a pity that you (should) be so careless.9. 某些简单句的固定句型：某些简单句的固定句型： God bless you! May you succeed! would rather do sth.had better do sth. II. 1: hadnt broken; (should) be set 2. (should) go 3: (should) start; 4: taking; 5: was satisfied; 6 :to be 7: holding, (should) receive, 8: had attended; 9:is 10: (should) keep 11: to do 12: to give 13:were 14: (should) be