高二英语高二英语选修六unit1 grammar

虚拟语气

SubjunctiveMood(I)GRAMMER语法7/11/2024(TheSubjunctiveMood)表示说话人所说的话不是事实,而是一种假设,愿望,怀疑或推测。7/11/2024二.‘if’虚拟条件句的概念由‘if’

引导的虚拟条件句叫作‘if’虚拟条件句IcouldeasilyrecognizehimifIhadseenbefore.三.ifSentenceStructure

‘if’虚拟条件句的结构a.表示与现在事实相反的假设b.表示与过去事实相反的假设c.表示与将来事实相反的假设观察1：IfIwereyou,Ishouldfinishmyhomeworkatfirst.

如果我是你，我会先完成家庭作业。(2)IfIhadtime,Iwouldgothere.如果我有空，我会去那儿。总结1：表示与现在事实相反，if从句用过去时were,V+ed,主句用would/should/could+V.(原形)IfIwonthelottery,Iwouldbuyanexpensivecar.IfIhadalotofmoney,Iwouldbuyavilla.IfIhadalotofmoneynow,Iwouldtravelaroundtheworld.a.Ifthey____(be)here,they__________(take)youradvice.b.Iftheworld-war_____(burst)outagain,what_____________(happen)toourpeopleonearth?werewouldtakeburstwouldhappenPRACTICE1:Fillintheblanks.c.Ifthepoliceman________(benot)inthatroom,it________(be)verydangerous.d.IfI____(be)inyourposition,I_________(ask)forteacher’shelp.werenotcouldbewerewouldask观察2：(3)Ifyouhadcomeearlier,youcouldhavecaughtthatbus.如果你来早点，你就会赶上那辆公共汽车了。(4)Ifhehadseenyouyesterday,hewouldhavereturnedyourbook.如果昨天他看到你，他就会还你书。总结2：表示与过去的事实相反，if从句用过去完成时haddone主句用would/could/should+havedone.2.与过去的事实相反从句的谓语用had＋过去分词,构成IfI(we,you,he,they)＋had＋过去分词的形式；主句的谓语用should(第一人称)/would(第二、三人称)/could/mighthave＋动词过去分词。Ifwehadreviewedthetext,weshouldhavepasstheexam.Ifhe__________(drive)morecarefully,he_________________(nothave)thecaraccidentyesterday.haddriven

wouldnothavehad

a.IfTom________(be)morecarefulintheexam,he________________(pass)italready.b.Ifyou_______(get)upearlier,you________________(catch)thefirsttrain.hadbeenwouldhavepassedhadgotwouldhavecaughtPRACTICE2:Fillintheblanks.c.IfI_______(meet)youyesterday,we______________(go)totheconcerttogether.hadmetwouldhavegoneIfheweretocometomorrow,heshouldhelpmewithmyphysics.

假如他明天来，他会帮助我复习物理的。(6)Ifheshouldseemetomorrow,hewouldknowme.假如他明天看见我，就会认识我了。总结:表示于将来事实相反，if从句可用wereto;should+v;过去式主句用would/should+v.(原)观察3：Ifyousucceeded,everythingwould

beallright.Ifyoushouldsucceed,everythingwouldbeallright.Ifyouweretosucceed,everythingwouldbeallright.a.Ifthere________(be)nonaturalresourceanymore,we___________(make)useofnuclearpower.b.What____________(happen)ifyou____________(getup)toolatetomorrow?shouldbeshouldmakewouldhappenshouldgetupPRACTICE3:Fillintheblanksc.IfRobots_____________(control)theworldsomeday,here________(be)nofriendship.weretocontrolwouldbe条件从句If从句的谓语形式主句的谓语形式现在过去时(were)would/could/should/might+v.(原)虚拟语气在条件状语从句中的用法。条件从句If从句的谓语形式主句的谓语形式过去过去完成时would/could/should/might+have+p.p.条件从句If从句的谓语形式主句的谓语形式未来1.过去时2.should+v.3.weretodowould/could/should/might+v.(原)二.虚拟语气在wish后面的宾语从句中的用法表示对现在情况的虚拟:

从句动词用过去式(be动词一般用were)。

IwishIhadabighouseofmyown.IwishI

were

astallasyou.IwishI

were

abird.Iwisheveryday

were

mybirthday.Iwish/wishedI

hadn’t

eatensomuchwatermelon.(2)表示对过去情况的虚拟:从句动词常用“had＋过去分词”。对过去发生的事情表示遗憾和后悔。Thepartywasterrible,IwishI

had

nevergonetoit.(3)表示对将来的主观愿望:从句动词形式为“

would＋动词原形”。但愿你立刻来。Iwishyouwouldcomesoon.Iwishit

would

raintomorrow.关于虚拟语气辩析1关于虚拟语气辩析2关于虚拟语气辩析3关于虚拟语气辩析4从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

1.—HaveyoueverbeentoBeijing?

—No,butIwishI______.

A.have

B.will

C.do

D.had

2.Iftherewerenowaterintheworld,everything______.

A.willdie

B.woulddie

C.wouldhavedied

D.havedied

3.IwishthatI______withyoulastnight.

A.couldhavegone

B.couldgo

C.havegone

D.went

4.IfI______you,I______moreattentiontoEnglishidiomsandphrases.

A.was;shallpay

B.am;willpay

C.wouldbe;wouldpay

D.were;wouldpay

5.Iwishthatyou______suchabadheadachebecauseI’msurethatyouwouldhaveenjoyedtheco