高二英语选修6语法课件

TheSubjunctiveMoodTheSubjunctiveMood1虚拟语气表示一种不能实现的假设,该语法主要用于if条件状语从句,也可用于主语从句、表语从句、宾语从句等。通常有三种情况：①与过去事实相反。②与现在事实相反。③与将来事实可能相反。虚拟语气虚拟语气表示一种不能实现的假设,该语法主要用于if条件状语从2条件从句条件从句的谓语形式主语的谓语形式与过去相反IfI(you,he/she,they,we)+had+过去分词should/would/could/might+have+过去分词例：IfIhadcomeheryesterday,Iwouldhaveseenhim.如果我昨天来，就会看见他了。

Ifyouhadgotupearlier,youcouldhavecaughtthetrain.如果你早一点起床，就会赶上火车的。

与过去相反条件从句条件从句的谓语形式主语的谓语形式与过去相反IfI3Iftheyhadstudiedhard,theycouldhavedoneiteasilythatday.1.如果他们以前努力学习的话，那天干的就会容易些。2.如果他不听取我的建议，他就不会干得这样好。Ifhehadnottakenmyadvice,hewouldn‘thavedoneitmuchbetterlikethis.Iftheyhadstudiedhard,they4IfI____________timelastnight,I_____________toseethefilmwithyou.hadhadwouldhavegoneIfI____________timelastni5Ifhemorecarefully,hethecaraccidentyesterday.haddriven

wouldnothavehad

Ifhemorec6IfIhowtoswim,Itrappedinthisisland.hadlearnt

wouldnothavebeen

IfIhowtos7Ifthestaffhadbeenmorecareful,

themallwouldnotbeonfirenow.Ifthestaffhadbeenmorecar8主句与从句的动作发生在不同的时间,这时主从句位于动词的虚拟语气形式因时间不同而不同,这叫做混合条件句.例句中从句与过去事实相反,主句与现在事实相反Ifyouhadaskedhimyesterday,youwould

knowwhattodonow.主句与从句的动作发生在不同的时间,这时主从句位于动词的虚拟9条件从句条件从句的谓语形式主语的谓语形式与现在相反IfI(you,he/she,they,we)+动词过去式should/would/could/might+动词原形例：IfIwereateacher,Iwouldbestrictwithmystudents.IfIhadHIV,IwouldknowbecauseIwouldfeelsick.hadHIVwouldfeelwerewouldbe与现在相反条件从句条件从句的谓语形式主语的谓语形式与现在相反IfI10Whatwould

youdoifyouwonthelottery?IfIwon

thelottery,Iwould…Whatwouldyoudoifyouwont11IfIwonthelottery,Iwouldbuyanexpensivecar.

IfIwonthelottery,Iwould12IfIhadalotofmoney,

Iwouldbuyavilla.IfIhadalotofmoney,Iwo13IfIhadalotofmoneynow,Iwouldtravelaroundtheworld.IfIhadalotofmoneynow,14Ifitwerefinenow,Iwouldgoshopping.Ifitwerefinenow,Iwouldgo15IfI____ateacher,I….wereIfI____ateacher,I….were16条件从句条件从句的谓语形式主语的谓语形式与将来相反IfI(you,he/she,they,we)+动词过去式IfI(you,he/she,they,we)+should+动词原形IfI(you,he/she,they,we)+wereto+动词原形should/would/could/might+动词原形1.Iftheteacheraskedmetosolvetheproblemnexttime,Icouldtrymybest.2.Ifheshouldfailintheexperimentthistime,hewouldtryagain.3.Ifweweretopanic,wewouldnotbeabletohelp.与将来相反条件从句条件从句的谓语形式主语的谓语形式与将来相反IfI17如果你成功了，一切都会好起来。Ifyousucceeded,everythingwould

beallright.Ifyoushouldsucceed,everythingwouldbeallright.Ifyouweretosucceed,everythingwouldbeallright.如果你成功了，一切都会好起来。Ifyousucceede18Ifhegotupearly,hewouldbeontimeIfhegotupearly,hewouldb19wishInSubjunctivemood虚拟语气的特殊用法：1wishInSubjunctivemood虚拟语气的特殊20IwishIwereastallasyou.IwishIwereastallasyou.21IwishIwereabird.高二英语选修6语法课件22Iwisheverydayweremybirthday.Iwisheverydayweremybirth23Iwish/wishedIhadn’teatensomuchwatermelon.Iwish/wishedIhadn’t24Iwishitwouldraintomorrow.Iwishitwouldraintomorrow.25wish+did(与事实相反的情况,

)+haddone(与过去事实相反)+would/could/might+do(将来不大可能实现的愿望)wish+did(与事实相反的情况,)+haddon26另外DemandSuggestOrderProposeRequestCommandInsist…etc+(should)do表示愿望、建议、命令、请求等另外Demand+(should)do表示愿望、建议、命272asif/asthoughdid与现在事实相反的haddone与过去事实相反或想象的事物2asif/asthoughdid与现在事实相28Hebehavesasifheownedthehouse.(Buthedoesn’townitorprobablydoesn’townitorwedon’tknowwhetherheownsitornot.)Hebehavesasifheownedthe29HetalksaboutRomeasthoughhe

hadbeentherehimself.HetalksaboutRomeasthough30主语从句中的虚拟语气在句型“Itisimportant(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]It’snecessarythatweshouldhaveawalknow.

我们有必要出去散散步。It’snaturalthatsheshoulddoso.

她这样做是很自然的。It’simportantthatweshouldtakegoodcareofthepatient.

重要的是我们要照顾好病人。

3主语从句中的虚拟语气在句型“Itisimportant31虚拟语气几个特例1.

ifonly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IfonlyIhadarrivedintime!Ifonlyshedidn’tdrivesofast.2.

It’s(high/right)timethat…

that从句要用虚拟语气：过去时或should+doIt’stimethatyouleft/shouldleavehere.虚拟语气几个特例1.ifonly意为：若是...那该多323.一些介词短语,如:butfor(要不是),without,otherwise(否则),等表示含蓄的条件,这时主句要用虚拟语气

Withoutyourhelp,wewouldnothavemadesuchrapidprogress.

Butformybrother'shelp,Iwouldnothavefinisheditontime.Ihadtodosth.moreimportant,otherwiseImighthavehelped.虚拟语气几个特例3.一些介词短语,如:butfor(要不是),wit33Alan___thepartyifhehadgonetoLondon.A.wouldhavemissedB.hadmissedC.wouldmissD.missed2.—Itwasthedrug，notthedisease，thatkilledtheboy.—Hewouldbestillalivetodayifhe________thatdrug.A.nottake

B.shouldn’thavetakenC.didn’ttake

D.hadn’ttakenExercises√√Alan___thepartyifhehadg343.Simonlooksasthoughhenever___asquaremeal(吃得饱),thoughhisparentsfeedhimverywell.A.getB.gettingC.gotD.shouldget4.HeistalkingsomuchaboutAmericaasifhe___there.A.hadbeenB.wereC.wasD.been√√3.Simonlooksasthoughhene355.–HaveyoueverbeentoBeijing?--No,butIwishI___.A.haveB.willC.doD.had6.Whenapencilispartlyinaglassofwater,itlooksasifit＿＿＿＿.

A.breaksB.hasbroken

C.werebroken

D.hadbeenbroken

√√5.–HaveyoueverbeentoBei367.(2002上海高考题)ItishardformetoimaginewhatIwouldbedoingtodayifI________inlove，attheageofseven，withtheMelindaCoxLibraryinmyhometown.A.wouldn’thavefallen

B.hadnotfallenC.shouldfall

D.weretofall√7.(2002上海高考题)Itishardforme378.Ifit________sohard，we’dgototown.A.isn’training

B.weren’trainingC.doesn’train

D.hasrain9.IwishI________youyesterday.A.saw

B.didseeC.hadseen

D.wereto