尼克·胡哲(NickVujicic

)Whatcouldhedoifhehadbeenbornhealthylikeus?Ithinkhecould…nowifhehadbeenborn…Parkour只有在非真實條件句中才使用虛擬語氣

.通常有三種情況：①與過去事實相反。②與現(xiàn)在事實相反。③與將來事實可能相反。虛擬語氣虛擬語氣表示一種不能實現(xiàn)的假設。該語法主要用于if條件狀語從句。也可用于主語從句、表語從句、賓語從句等。條件從句條件從句的謂語形式主語的謂語形式與過去相反IfI(you,he/she,they,we)+had+過去分詞should/would/could/might+have+過去分詞如果昨天來這兒的話，我就會見到他的。Ifyouhadgotupearlier,youcouldhavecaughtthetrain.與過去相反Eg.

Iftheyhadstudiedhard,theycouldhavedoneiteasilythatday.Ifhehadnottakenmyadvice,hewouldn’thavedoneitmuchbetterlikethis.IfIhadcomehereyesterday,Iwouldhaveseenhim.如果你早一點起床，就會趕上火車的。Practice:IfI_______(have)

timelastnight,I_____________(go)toseethefilmwithyou.2.Ifhe

(drive)

morecarefully,he

(nothave)thecaraccidentyesterday.3.IfI

(learn)

howtoswim,I

(notbe)trappedinthisisland.hadhadwouldhavegonehaddriven

wouldnothavehad

hadlearnt

wouldnothavebeen

條件從句條件從句的謂語形式主語的謂語形式與現(xiàn)在相反IfI(you,he/she,they,we)+動詞過去式should/would/could/might+動詞原形IfIhadHIV,IwouldhaveknowbecauseIwouldfeelsick.與現(xiàn)在相反Whatwould

youdoifyouwonthelottery?IfIwon

thelottery,Iwould…IfIwasateacher,Iwouldbestrictwithmystudents.

wereeg:如果我中了彩票，我會買輛車。eg:如果我有很多錢，我會買棟公寓。eg:如果我有很多錢，我會周游世界。eg:如果現(xiàn)在天氣很好，我會去逛街。條件從句條件從句的謂語形式主語的謂語形式與將來相反IfI(you,he/she,they,we)+動詞過去式IfI(you,he/she,they,we)+should+動詞原形IfI(you,he/she,they,we)+wereto+動詞原形should/would/could/might+動詞原形1.Iftheteacher

(ask)metosolvetheproblemnexttime,Icouldtrymybest.2.Ifhe(fail)intheexperimentthistime,hewouldtryagain.3.Ifwe(panic),wewouldnotbeabletohelp.與將來相反askedshouldfailweretopaniceg:如果你成功了，一切都會好起來。Ifyouweretosucceed,everythingwouldbeallright.Ifyousucceeded,everythingwould

beallright.Ifyoushouldsucceed,everythingwouldbeallright.例句中從句與過去事實相反,主句與現(xiàn)在事實相反Ifyouhadaskedhimyesterday,youwould

knowwhattodonow.Ifthestaff

(be)morecareful,themall

(notbe)onfirenow.hadbeen

wouldnotbe

主句與從句的動作發(fā)生在不同的時間,這時主從句位于動詞的虛擬語氣形式因時間不同而不同,這叫做混合條件句.wishInSubjunctivemood虛擬語氣的特殊用法：wish+did(與事實相反的情況)+haddone(與過去事實相反)+would/could/might+do(將來不大可能實現(xiàn)的愿望

)IwishIwereastallasyou.Eg：我希望我像你一樣高Eg：我希望我是只鳥IwishIwereabird.Eg：我希望每天都是我的生日Iwisheverydayweremybirthday.Eg：我希望我沒有吃那么多的西瓜Iwish/wishedIhadn’teatensomuchwatermelon.Eg：我希望明天下雨Iwishitwouldraintomorrow.另外DemandSuggestOrderProposeRequestCommandInsist…etc+(should)do表示愿望、建議、命令、請求等asif/asthough;ifonlydid與現(xiàn)在事實相反的haddone與過去事實相反或想象的事物一些介詞短語,如:butfor(要不是),without,otherwise(否則)1.Ihadtodosomethingmoreimportant,Imighthavehelped.2.yourhelp,wewouldnothavemadesuchrapidprogress.3.HetalksaboutRomehehadbeentherehimself.4.shedidn’tdrivesofast!2.mybrother'shelp,Iwouldnothavefinisheditontime.Usetheabovewordsorphrasestofillintheblanks.

otherwiseWithout/Butforasthough/if

Ifonly

Without/Butfor含有虛擬語氣的特殊句型1.It’s(high/right)timethat…

that從句要用虛擬語氣：謂語用過去時或should+doIt’stimethatyouwenttobed/shouldgotobed.Eg.2.在句型“Itisimportant(necessary,strange,natural)that....”中，that后面的從句中的謂語動詞用：should+動詞原形我們有必要去看場電影。Eg.It’snecessarythatweshouldgotoamovienow.奇怪的是他竟然不辭而別。It’sstrangthatheshouldleavewithoutsayingaword.如果上天能夠給我一個再來一次的機會，我會對那個女孩子說三個字：我愛你。

如果非要在這份愛上加上一個期限，我希望是……

一萬年HomeworkUseSubjunctiveMoodtowritesomethingaboutyourlife,dream,etc.Youmaystartyourcompositionlikethis:IfIhadbeenbornin…composition1.Alan___thepartyifhehadgonetoLondon.A.wouldhavemissedB.hadmissedC.wouldmissD.missed2.—Itwasthedrug，notthedisease，thatkilledtheboy.—Hewouldbestillalivetodayifhe________thatdrug.A.nottake

B.shouldn’thavetakenC.didn’ttake

D.hadn’ttakenExercises√√3.Simonlooksasthoughhenever___asquaremeal(吃得飽),thoughhisparentsfeedhimverywell.A.getB.gettingC.gotD.shouldget4.HeistalkingsomuchaboutAmericaasifhe___there.A.hadbeenB.wereC.wasD.been5.(2002上海高考題)ItishardformetoimaginewhatIwouldbedoingtodayifI________inlove，attheageofseven，withtheMelindaCoxLibraryinmyhometown.A.wouldn’thavefallen

B.hadnotfallenC.shouldfall

D.weretofall√√√6.–HaveyoueverbeentoBeijing?--No,butIwishI___.A.haveB.willC.doD.had7.Whenapencilispartlyinaglassofwater,itlooksasifit＿＿＿＿.

A.breaks

B.hasbroken

C.werebroken

D.hadbeenbroken8.You________earlier.Thebusleftamomentago.A.wouldcome

B.shouldhavecomeC.mustcome

D.couldhavecome√√√8.Ifit________sohard，we’dgototown.A.isn’training

B.weren’trainingC.doesn’train