英语学习虚拟语气.pptx

条件句中条件句中的虚拟语的虚拟语气气第1页/共34页A真实条件句If a flood happened in the past,there was usually a great loss of life and property.第2页/共34页B非真实条件句1 表示与现在事实相反的条件If I were you,I should go and try.If 过去式(were),would/should/could/might do第3页/共34页2表示与过去事实相反的条件 If I had known your telephone number yesterday,I would have telephoned you.If 过去完成式,would/should/could/might have done 第4页/共34页3 表示在将来不太可能实现的条件If he were here tomorrow,I would speak to him.If it should rain,the crops could be saved.If I were to do the work,I should do it in a different way.过去式(were)If should do,would/should/could/might do were to 第5页/共34页 C省略if的条件句Were it necessary,I might go without delay.（=If it were necessary.）Had you taken my advice,you wouldnt have failed in the exam.（=If you had taken my advice.）Should I have time,I would call on her.（=If I should have time.）第6页/共34页D错综条件句If you hadnt watched TV yesterday,you wouldnt be so sleepy now.（从句yesterday说明过去，主句now说明现在）If they had left home early this morning,they would arrive in half an hour.（从句说明过去，主句说明将来。）If you hesitated this moment,you might suffer in the future.（从句说明现在，主句说明将来）第7页/共34页E含蓄条件句1条件暗含在短语中（without;but for）He would not get such a result without your help.(条件暗含在介词短语without your help中)第8页/共34页2条件可根据上下文推理出Such mistakes could have been avoided.（条件可能是if you had been more careful 如果你更加小心一点的话）第9页/共34页3条件用其他形式来表示Suppose you were in my shoes,what would you do?（用suppose/supposing/providing等词表示if）第10页/共34页主语从句中主语从句中的虚拟语气的虚拟语气第11页/共34页虚拟语气1.It is 过去分词thatIt is requested that we（should）get everything ready this evening 命令、建议、要求第12页/共34页2.It is 形容词that 表示建议或不满、惊奇等情绪。essential，important，natural，necessary，possible，strange等。It is necessary that he(should)learn a foreign language(should)+do第13页/共34页宾语从句中宾语从句中的虚拟语气的虚拟语气第14页/共34页I ordered we leave at once.虚拟语气1.表示要求、命令、建议、决定等意义的动词后，that从句用“(should)+动词原形”的结构一个坚持 insist两个命令 order command 三个建议 suggest advise propose四个要求 demand request require ask(should)第15页/共34页His face suggested that he was ill.His doctor suggested that he should stay in hospital for several days.He insisted that he didnt kill the woman and that he should be set free.暗示,表明建议坚持说坚持要求insisted第16页/共34页I wish I were a bird.I wish that I had seen her yesterday.I wish you would stay an hour longer.第17页/共34页2.Wish后的虚拟语气现在 一般过去时(were/did)过去 过去完成时(had done)将来 过去将来时(would/could do)第18页/共34页表语从句和同表语从句和同位语从句中的位语从句中的虚拟语气虚拟语气第19页/共34页That was my suggestion that she start early tomorrow.His proposal was that they challenge the other classes to a friendly competition.shouldshould第20页/共34页虚拟语气n.(建议、劝告、命令)+be+that(should)do一个坚持 insist两个命令 order command 三个建议 suggest advise propose四个要求 demand request require desire一个坚持 insistence两个命令 order command 三个建议 suggestion advice proposal三个要求 demand request requirement第21页/共34页状语从句中状语从句中的虚拟语气的虚拟语气第22页/共34页The teacher treats the pupil as if he were her own child.I felt as though we had known each other for years.It looks as if it might rain.第23页/共34页方式状语从句as if/though 后的虚拟语气现在 一般过去时(were/did)过去 过去完成时(had done)将来 过去将来时(would/might could do)第24页/共34页对比：He looks as if he is young.（他就是年轻）He looks as if he were young.（实际上他不年轻）第25页/共34页目的状语从句 Please remind me of it again tomorrow in case I(should)forget.She emphasized it again and again,lest he(should)forget.We had a meeting and talked the matter over face to face for fear that there should be any misunderstanding.in case lest should+动词原形 for fear that第26页/共34页定语从句中的定语从句中的虚拟语气虚拟语气第27页/共34页 It is time that we did something for the society.It is high time that we should do something for the society.It is(high)time(that)主语 should+动词原形 过去式第28页/共34页其他句型中其他句型中的虚拟语气的虚拟语气第29页/共34页 A If only.If only he knew the answer.If only I could speak several foreign languages！If only you had told me the truth before.If only 现在 一般过去时(were/did)过去 过去完成时(had done)将来 过去将来时(would/could do)第30页/共34页Bwould rather,would prefer,would sooner I would rather you left today.I would prefer he didnt stay here too long I would rather I hadnt seen that film yesterday.would rather,would prefer,would sooner现在/将来 一般过去时(were/did)过去 过去完成时(had done)第31页/共34页would rather 主要有两种用法 1后接不 带 to的不定式 Id rather play tennis than swim.Id rather not go to the movies.2后接不用连词的that从句 Id rather you went home now.I would rather my daughter attended a public school.第32页/共34页Thank you!Thank you!第33页/共34页感谢您的观看！第34页/共34页