高中英语虚拟语气讲解.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,虚拟语气,二、省略,if,的条件从句,当从句中有,were,had,或,should,时，可省略,if,，而把它们放在句首。,If I were to meet him tomorrow,I should ask him about it.,Were,I to meet him tomorrow,If he should fail in the experiment this time,he would try again.,Should,he fail in the experiment,虚拟语气在,在条件从句中,虚拟语气,三、错综时间的条件句,即从句与主句的动作发生的时间不同。此时，需要按时间来确定虚拟形式。如：,If they,had studied,hard,they,could do,it easily now.,如果他们以前努力学习的话，现在干的就会容易些。,If he,had not taken,my advice,he,wouldnt do,it much better like this.,如果他不听取我的建议，他就不会干得这样好。,虚拟语气在复合句中的应用：,虚拟语气,1,、,记住：这些动词后面接的宾语从句：表示,愿望,(wish),建议,(suggest,advice,propose,recommend),，,要求,(demand,request,require,insist),命令,(order,command),等。,2,、,除,wish,外，其它动词用,should+do,构成,should,可以省略。,3,、,wish,接宾语从句有三种情况：,1),现在：用过去式,2),过去：用过去完成式,(had done),3),将来：用情态动词,(would/could)+do,虚拟语气在：,在宾语从句中,虚拟语气,例句,1.I wish she would be on my side.,我希望她能站在我一边。,2.,I wish I were 30 years younger.,我但愿自己能年轻三十岁。,3.,I wish(that)you would get a good job.,我希望你能找到一个好职业。,4.,He wished he hadnt done it.,他想要是他没这样做该多好。,5.He ordered that the students wash the clothes every week by themselves.,他要求学生每周都要自己洗衣服。,虚拟语气在：,在宾语从句中,虚拟语气,4,、,记住：,insist/suggest,各有两种意思，要用不同的语气,Insist,表示“坚决要求”时，用虚拟形式，即,should+do;,Insist,表示“坚称，坚持说”时，用陈述语气，表示事实。,Suggest,表示“建议”时，用虚拟形式。,Suggest,表示“表明、暗示”时，用陈述语气。,例句,The teacher,suggested,that we(should)clean the blackboard after class.,老师建议我们课后把黑板擦了。,He,insisted,that all of us should be there on time by any means.,他坚持要我们大家想尽办法按时去那儿。,He,insisted,that he was right.,虚拟语气在：,在宾语从句中,虚拟语气,在,would(had)rather(,宁愿,),引导的宾语从句中,当从句表示现在或将来的时间时,谓语动词要用一般过去时,;,表示过去时间时,谓语动词要用过去完成时。,I would rather he came tomorrow than today.,虚拟语气在：,在宾语从句中,虚拟语气,在句型“,It is important(necessary,strange,natural)that.,”,中，,that,后面的从句中的谓语动词用：,should+,动词原形,例句,Its,necessary,that we should have a walk now.,我们有必要出去散散步。,Its,natural,that she should do so.,她这样做是很自然的。,Its,important,that we should take good care of the patient.,重要的是我们要照顾好病人。,虚拟语气在,在主语从句中,虚拟语气,主句的,主语,常是表示说话人,愿望,(wish/desire),、,建议,(suggestion/advice),要求,(requirement/demand),、,命令,(order,command),等的名词，表语从句的谓语动词用,(should)+do,.,Our,suggestion,is that you,(should)be,there on time.,虚拟语气在,在表语从句中,虚拟语气,同位语从句的,先行词,常是表示说话人,愿望、建议、要求、命令,等的名词。,The,suggestion,that students,(should)learn,something practical is worth considering.,Do you know the,order,that you,(should)keep,watch.,虚拟语气在,在同位语从句中,虚拟语气,在,as if,从句中，常用虚拟形式，即,表示与现在事实相反，用过去式,；,与过去事实相反用过去完成式,(had done).,一、,as if,连接表语从句,she looked,as if,she were made of ice.,她看起来似乎是冰做的,he looked,as if,he hadnt slept for two days.,二、,as if,连接让步状语从 句,She looked after the boy,as if,he were her own son.,她照顾这男孩就像自己的儿子一样。,He speaks to us,as if,he had been there.,他给我们讲的好象他去过那儿。,虚拟语气在,在,as if,从句中,虚拟语气,1.,if only,意为：若是,.,那该多好啊,;,真希望,.;,只要,只要,.,就好,表示现在的情况,应用过去式,;,如果是过去的情况,应用过去完成时态,If only I,had arrived,in time!,If only she,didnt drive,so fast.,2.,Its(high/right)time that,that,从句要用虚拟语气：谓语用过去时,或,should+do,Its time that you left here.,虚拟语气中的几个特例,虚拟语气,3.,一些介词短语,如,:,but for(,要不是,),without,otherwise(,否则,),in that case(,如果是那样的话,),表示含蓄的条件,这时主句要用虚拟语气,Without your help,we would not have made such rapid progress.,虚拟语气中的几个特例,虚拟语气,1,、表示说话人的要求、建议、命令时，常用,(should)do,表示虚拟形式,主要用于名词性从句中。,2,、其它情况常用两种形式：表示与现在事实相反，用过去式；表示与过去事实相反用过去完成式。,简单的归纳,虚拟语气,Alan _ the party if he had gone to London.,A.would have missed B.had missed,C.would miss D.missed,2.If I knew you were coming,I _ you at the airport.,A.had met B.met,C.would meet D.would have met,Exercises,A,D,虚拟语气,3.If only I _ to my parents!(But I didnt.),A.listened B.had listened,C.should listen D.would listen,4.Tom suggested that Ann _ the house.,A.sell B.sold,C.shall sell D.would sell,5.I wish this bus _ to the university.,A.go B.went,C.has gone D.had gone,B,A,B,虚拟语气,6.Simon looks as though he never _ a square meal(,吃得饱,),though his parents feed him very well.,A.get B.getting C.got D.should get,7.He is talking so much about America as if he _ there.,A.had been B.were C.was D.been,8.I _ you some money,but I hadnt got any then.,A.would lend B.would have lent,C.could lend D.may have lent,C,A,B,虚拟语气,9.Have you ever been to Beijing?,-No,but I wish I _.,A.have B.will C.do D.had,10.I dont think it is the right time that you _.,A.will go B.went C.go D.must go,D,B,