1、If I won the lottery,I wouldIf I _a lot of money now,I _travel around the world.hadwouldIf I won the lottery,I would have a lot of money.条件条件从句从句If 从句的谓语从句的谓语形式形式主句的谓语形式主句的谓语形式现在现在 过去时过去时(did)/(were)would/could/should/might+v.(原原)1虚拟语气在条件状语从句中的用法。虚拟语气在条件状语从句中的用法。a.If they _(be)here,they _(take)your
2、advice.b.If the world-war _(burst)out again,what _(happen)to our people on earth?werewould takeburstwould happenPRACTICE 1:Fill in the blanks.If he had driven more carefully,he would not have had the car accident yesterday.If he had driven more carefully,he would not have had the car accident yester
3、day.If you _(come)earlier,you couldnt have missed the bus.had come条件条件从句从句If 从句的谓从句的谓语形式语形式 主句的谓语形式主句的谓语形式过去过去过去完成时过去完成时(had done)(had done)would/could/should/might+have+donea.If Tom _(be)more careful in the exam,he _(pass)it already.b.If you _(get)up earlier,you _(catch)the first train.had beenwoul
4、d have passedhad gotwould have caughtPRACTICE 2:Fill in the blanks.c.If I _(meet)you yesterday,we _(go)to the concert together.had metwould have goneIf you succeeded,everything would be all right.If it were to rain tomorrow,they would not go out.If there should be no natural resource any more,we sho
5、uld make(make)use of nuclear power.条件条件从句从句If 从句的谓语从句的谓语形式形式主句的谓语形式主句的谓语形式future1.did2.should+v.3.were to dowould/could/should/might+doIf you_,If you_,If you_,假如你成功了，一切就都会好了should succeedwere to succeedsucceeded everything would be all right.例句中从句与过去事实相反例句中从句与过去事实相反,主句与现在主句与现在事实相反。事实相反。If you had as
6、ked him yesterday,you would know what to do now.主句与从句的动作发生在不同的时主句与从句的动作发生在不同的时间间,这时主从句谓语动词的虚拟语这时主从句谓语动词的虚拟语气形式因时间不同而不同气形式因时间不同而不同,这叫做这叫做混合条件句混合条件句。If the staff had been more careful,the mall_on fire now.would not be 含蓄条件句与主句含蓄条件句与主句.用用without(but for)代替代替if从句。从句。例如：例如：Without/But for his help,we wou
7、ldnt have made such great progress.If there hadnt been/we hadnt got his help,we wouldnt have made such great progress.or(else)不然不然.如：如：He had a fever yesterday,or else he would have come to your birthday party.If he hadnt have a fever yesterday,he would have come to your birthday party.在虚拟条件句中，若有动词在
8、虚拟条件句中，若有动词were,should 或或had done可以可以省略省略if,且且把这三个词放在把这三个词放在主语之前主语之前，变成，变成倒倒装句装句。If I were a bird,I would fly freely.=Were I a bird,I would fly freely.1.If you were handsome,I would marry you.2.If he should come tomorrow,I would give it to him.3.If it were to snow,I would not go.4.If he had come yes
9、terday,you would have seen him.Should he come tomorrow,I would give it to him.=Were you handsome,I would marry you.Were it to snow,I would not go.Had he come yesterday,you would have seen him.1、If the rules of perspective _ discovered,no one _able to paint such realistic pictures.2、If Sam _(be)here,
10、he _(be)so excited about meeting a famous scholar in the flesh.3、If there were no subjunctive,English_(be)much easier.4、If they _(be)here now,they _(take)your advice.5、If the world-war _(break)out again,what _(happen)to our people on earth?6、What _(happen)if you _(get up)too late tomorrow?7、If I _ m
11、ore time,I would have gone with him.had B.had had C.have had D.would have8、If I _you,I wouldnt return the call.A.be B.am C.was D.wereI wish与过去愿望相反：与过去愿望相反：had doneI wish I had seen that film.与现在愿望相反与现在愿望相反：did/wereI wish I were as handsome as you.与将来愿望相反与将来愿望相反：would/could/might+动词动词原形原形I wish I wou
12、ld try again.I wish I _as tall as you.wereI wish I _a bird.wereI wish every day _my birthday.wereI wish/wished I _(not eat)so much watermelon.hadnt eatenThe party was terrible,I wish I _(go)to it.had never goneI wish it _(rain)tomorrow.would rain三三.表示要求，命令，建议的虚拟语气。表示要求，命令，建议的虚拟语气。常见动词：常见动词：两个命令两个命令
13、四个建议四个建议六个要求六个要求order commandsuggest advice propose recommenddemand require request desireinsist urge这些动词后面的宾语从句要使用虚这些动词后面的宾语从句要使用虚拟语气。即拟语气。即 that sb(should)do sth.e.g.我们建议我们建议Tom 去休息一下。去休息一下。他坚决要求我到场。他坚决要求我到场。国王命令囚犯明天要实施死刑。国王命令囚犯明天要实施死刑。他们要求我们派他们去那儿工作。他们要求我们派他们去那儿工作。We suggested that Tom_ a rest.He
14、 insisted that I _ present.The king ordered that the prisoners _ the next day.They requested that we _ them to work there.(should)have(should)be(should)be killed(should)send insist/suggest不接虚拟不接虚拟的用法的用法1.She insisted that she was right.她她坚持认为坚持认为自己是对的。（坚持事实）自己是对的。（坚持事实）2.His uncle insists that he sh
15、ould not stay in the hotel.他的叔叔他的叔叔坚持要求坚持要求他不要待在旅馆里。他不要待在旅馆里。3.The look on his face suggested that he was unhappy.4.I suggested that the teachers wages (should)be increased.四四 would rather(that)现在：过去：将来：I would rather you _me now.(pay)I would rather you_,(go)tooyesterday.Dont come.I would rather you
16、_ tomorrow.(come)过去时过去时过去完成时paidhad gonecame 五五.Its(about/high)time+(that)should+V.过去时你该走了。我们该去睡觉了。Its time that you went.Its time that you should go.Its time that we went to bed.Its time that we should go to bed.(Should不可省略不可省略)六六 as if/as though由由as if(as though)引导的状语从句引导的状语从句,从句从句谓语与现在事实相反则用谓语与现在
17、事实相反则用did(be用用were)；如果与过去的事实相反，则用如果与过去的事实相反，则用“haddone”。He behaves as if he owned the house.She talks about Rome as though she had been there herself.1.The teacher agreed to the suggestion that the students _ two weeks to prepare for the exam.A.give B.should giveC.be giveD.would be given2.Wang Ling,
18、one of my friends,is very good at English.He speaks English as if he _ an Englishman.A.wereB.would beC.have been D.had been3.Robert wishes that he _ business instead of history when he was in university.A.studies B.studiedC.has studied D.had studied 4.Mr Li required the computer equipment referred _
19、 used in every classroom.A.should be B.have to be C.to be D.to being5._ more careful,his ship would not have sunk.A.If the captain were B.Had the captain been C.Should the captain be D.If the captain would have been6.If you _ that film last night,you would not be so sleepy now.A didnt see B havent seen C wouldnt seen D hadnt seen7.If we were to be 200 years old,we _ everything.A will change B can change C could change D changed
