1、盖州市一高中盖州市一高中刘刘 姣姣warm up1.If I _(see)it with my own eyes,I wouldnt have believed it.2.She would be much healthier now,_ she not burdened herself with that much pressure from work when young.3.If you _(work)harder then,your condition _ _(better)now.4.I was busy last week,_I would have come to see you
2、.5.Most citizens in Hong Kong strongly insisted that those who attacked the police with violence _(put)into prison.hadnt seenhadhad workedwould be betterotherwise(should)be put虚拟情况虚拟情况从句从句主句主句与现在事实相反与现在事实相反与过去事实相反与过去事实相反与将来事实相反与将来事实相反would/should/could/might+have done一一.If 引导的虚拟语气引导的虚拟语气过去时(be的形式用we
3、re)would/should/could/might+do过去完成时(had done)过去时/should+do/were to dowould/should/could/might+doif 型特例型特例1：错综时间条件句：错综时间条件句定义：从句与主句的动作发生的时间不同定义：从句与主句的动作发生的时间不同If they had studied hard,they would do it easily.与过去相反与过去相反与现在相反与现在相反1.If it _(rain)last night,the ground_(be)wet now.2.If I _(be)you,I _(not
4、miss)the film yesterday.had rainedwould bewerewouldnt have missedif 型特例2：if 省略句用法：从句中有were、had或should时，省略if，而把他们位于句首。1.If I were at school again,I would study harder.2.If you had come earlier,you would have caught the bus.3.If it should rain tomorrow,we would not go climbing.=Were I at school again,
5、I would study harder.=Had you come earlier,you would have caught the bus.=Should it rain tomorrow,we would not go climbing.二、含蓄条件句二、含蓄条件句在虚拟语气中，并不总是出现if引导的条件句，而通过其他手段来代替。常用介词with、without、but for，还有副词otherwise.1.Without air,we couldnt live even for five minutes.Without air=If there were no air2.But f
6、or the storm,we should have arrived earlier.But for=If it had not been for3.I was ill that day.Otherwise,I would have attended the meeting.Otherwise=If I hadnt been ill三、三、时态往前推一步型时态往前推一步型wish+宾语从句现在过去将来过去时（did/were)过去完成时（had done）would/could/might+V.I wish I had a pair of shoes.I wish I hadnt drive
7、n my car after drinking.I wish I could be admitted to TsinghuaUniversity.引导虚拟语气时，与wish用法一样的还有as if/though,if only.He behaves as if he_(be)the owner of the house.wereHe talked about Rome as if he _(be)there before.had beenIf only I _(have)a pair of wings!had四、四、(should)+V.型型 在宾语从句、表语从句、同位语从句和主语从句中，这种
8、用法的动词有：一个坚持insist两个命令order commad三个建议advise suggest propose四个要求require request demand desire当suggest 表示“暗示，表明”之意insist 表示“坚持说”之意时，suggest/insist后的宾语从句不使用虚拟语气，应使用陈述语气。1.那个人坚持说他从没有偷过钱。The man insisted that he had never stolen money.2.他们坚决要求那个男孩子跟他们一起去。He insisted that the boy(should)go with them.五、虚拟语
9、气的特殊句式和固定句型五、虚拟语气的特殊句式和固定句型1、would rathersb did.sb had done.与现在或将来情况相反与过去情况相反I would rather you _ at home now.（stay）I would rather you _ tomorrow.(come)stayedcame2.Its(high/about)time thatsb did.sb should do.是时候.(做某事)是我们吃午饭的时候了。Its high time that we had lunch.Its high time that we should have lunch.
10、Fill in the blanks.1.You didnt let me drive.If we _(drive)in turn,you _(not get)so tired.2._ it _(not be)for your help,I couldnt have made any progress.3.If you _(follow)my advice,you would be better now.4.I wish I _(be)at my sisters wedding last Sunday,but I was on a business trip in New York then.
11、5.It is suggested that the meeting _(put)off till next week.had drivenwouldnt have gotHadnot beenhad followedhad been(should)be put 6.But for your help,we _(not finish)the work ahead of time.7.He learns English so hard as if he_(go)to the U.S.A.8.The smile on his face suggested that he_(be)satisfied with our work.9.I would rather you _(not tell)me the fact.10.Its time that we _(work)hard to realise our dream.wouldnt have finishedwould gowashadnt toldworked/should workHomework:write a small composition with the titleIf I were/had.
