专升本虚拟语气

1、虚拟语气（6个点）要点1三种假设过去 had done(if引导的非真实条件句)would/should/could/might+ have done (主句) 前后都表过去If you (keep) _ on doing that last month, you would have succeeded. had kept06年真题2013年真题44. If he (take) _ my advice at that time, he would have got the job he applied for. had taken现在Bewere (非真实条件句)Dodid would/co

2、uld/might/should+动词原形（主句）If I were you, I would study hard.If I had time now, I would go out.将来were to+动词原形 (if从句)should+动词原形would/could/might/should+动词原形（主句）If I were to have time tomorrow morning, I would stay at home. 要点2 if的省略如果if 从句中有were/should/had, if可省，were/should/had提到主语之前Were I you, I woul

3、d study hard. 要点3以下5种情况用“（should）+动词原形”的虚拟语气情况一：表建议、命令、要求等动词后的宾语从句中move建议propose提议，建议-proposal（名）insist坚决要求suggest建议；暗示（宾从用陈述语气）His pale face suggests that he (be) _ ill. isDont worry about her. Her rosy cheeks suggest that she _ in good health.08年真题A) be B)isC) wereD) was情况二：It be +引起虚拟形容词或表建议、命令、要

4、求等动词的过去分词+主从常考引起虚拟的形容词：advisable可行的；important；desirable合心意的；essential基本的，strange奇怪的，natural自然的，vital非常重要的，urgent紧急的，necessary必要的表建议、命令、要求等动词的过去分词：required, suggested, recommended, requested, ordered2013年真题It is important that we _ the task ahead of time.A. will finish B. finishedC. finish D. shall f

5、inish情况三：表建议、命令、要求，愿望、主张等名词后的表语从句或同位语从句order, request, requirement, proposal, advice, recommendation, demand, suggestion, necessity, desire, idea情况四动词+it(形宾) +引起虚拟的形容词(宾补)+宾从【（should）+动词原形】情况五：in case （以防）；for fear that=lest唯恐，其后的从句中注意事项：1）should+动词原形2)动词原形：am/is/are/was/werebe (动词原形)实义动词原形指的是动词未做任何

6、改变（不受主语和时态的制约） It is important that he (finish) _ the task we have given him today. finish06年真题He suggested that Mary (finish) _ her homework on time. We propose that he (be) _ at home on weekends. 3)主谓关系：主动关系被动关系（be +过去分词）Our teacher suggested that our homework (hand) _ in before Friday. be handedb

7、e+形容词=be of+名词The book is very useful. The book is _ _ _.Of great useHe required that we (present) _ at the meeting on time. be presentHe put forward a (propose) _ at the meeting. Propose-proposal （名）要点4以下5种情况时态根据需要后退一个情况一 该是时候了a. It is time for+名词b. It is time to doc. It is (about/high) time+句子It i

8、s time we took effective measures to stop air pollution. 2009年真题Its high time we _ something to stop road accident.A. did B. are doing C. will doD. do情况二wish+宾从（假设，用虚拟语气）情况三would rather+句子（现在或未来时间状语，用一般过去时；过去时间状语，用过去完成时）be involved in be involved inmake comment on对进行评论情况四If only(但愿，要是多好！)+句子If only

9、I (not lose) _ my wallet yesterday!had not lost情况五as if=as though+句子（假设，如用be的过去式，无论主语是什么，用were）The little Chinese boy speaks English very well as if he (be) _ an American.wereThe milk tastes as if it (be) _ sour. is要点5时间上混合的虚拟语气If I had slept a little earlier last night, I would not feel sleepy now.

10、 要点6Besides (learn) _ English, I also learn Japanese. Despite=in spite of尽管+名词/the fact that 句子, I still went to school as usual. 1. Despite=In spite of my illness2. Despite=In spite of the fact that I was ill3. Although I was ill1)介词等暗示出非真实条件with, without, but for_ their help, I could have succeeded in the experiment yesterday. A. But for B. DespiteC. Because of D. In case of2)but; or/or else/otherwise可暗示出非真实条件句。but 暗示的是其后的反面，而or/or else/otherwise暗示的是其前的反面。通常考主句。I (can call) _ him, but I did not know his phone number at that time