牛津深圳版初二英语上册语法讲解 Unit 7 条件状语从句Word文档下载推荐.docx
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牛津深圳版初二英语上册语法讲解 Unit 7 条件状语从句Word文档下载推荐.docx
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一般现在时
情态动词(may/can/should/must+动词原形)
祈使句(动词原形开头)
(1)if从句用一般现在时,主句用一般将来时(主将从现)
Ifheruns,he’llgetthereintime.
如果他用跑的,他就会及时赶到那儿。
(2)if从句用一般现在时,主句用may/can/should/must+动词原形(主情从现)
Ifitstopssnowing,wecangoout.
如果雪停了,我们就可以出去。
Ifyouwanttoloseweight,youmust/shouldeatlessbread.
如果你想减肥,你必须少吃面包。
(3)if从句用一般现在时,主句用祈使句(主祈从现)
Putonyourcoatifyourarecold.
如果你冷的话,穿上外套吧。
Ifitrainstomorrow,pleasestayathome.
如果明天下雨的话,请待在家里
(4)if从句用一般现在时表示的动作,导致主句动作的必定发生,主句用一般现在时(主现从现)
4.if的双重用法
if可以引导条件状语从句,意为“如果”,此时需注意“主将从现”的原则
Ifitrainstomorrow,Iwon’tcome.
if也可以引导宾语从句,意为“是否”,时态选用相对比较自由,不受“主将从现”原则的限定
Idon’tknowifitwillraintomorrow.
Unless引导的条件状语从句
◆◆unless引导的条件状语从句:
unless=if…not“除非......否则,如果不”
①Let'
sgooutforawalkunlessyouaretootired.
=Ifyouarenottootied,let'
sgooutforawalk.我们出去散步吧,除非你太累
②Youwillfailtoarrivethereintimeunlessyoustartearlier.=Ifyoudon’tstartearlier,youwillfailtoarrivethereintime.如果你不早点动身,你就不能及时赶到那儿。
③Unlessitrains,thegamewillbeplayed.
=Ifitdoesn’train,thegamewillbeplayed.除非下雨,比赛将照常进行。
④Mybabysisternevercriesunlesssheishungry.
=Mybabysisternevercriesifsheisn’thungry.我的妹妹不会乱哭,除非她饿了。
注意:
unless引导的条件状语从句也要遵循“主将从现”,“主祈从现”及“主情从现”的规则。
综合练习
一、单选题
()1.—Idon'
tknowifit______tomorrow.
—Well,ifit______,theschoolsportsmeetwillbecanceled.
A.willrain,willrainB.rains,willrain
C.willrain,rainsD.rains,rains
()2.We______forapicnicifit______rainthisSunday.
A.willgo,doesn'
tB.willgo,won'
tC.go,doesn'
t
()3.Iwonderifshe______mewhen______.
A.calls,shearrivesB.willcall,shearrivesC.calls,willshearrive
()4.—CouldyoutellmewhenMr.Li______inDaqing?
—Sure.Whenhe______,I'
llcallyou.
A.comes,comesB.willcome,comes
C.comes,willcomeD.come,comes
()5.Weplantohaveapicnictomorrow,soIwonderif______.
A.willitrainB.itrainsC.itwillrain
()6.Ifyouclosethedoorofsadnessbehindyou,thedoorofhappiness______beforeyou.
A.openedB.haveopenedC.willopenD.areopening
()7.—CanyouguessifMike______swimmingthisafternoon?
—Ithinkhewillgowithusifhe______free.
A.willgo,isB.willgo,willbeC.goes,isD.goes,willbe
()8.Ithinkit'
snecessaryformydaughtertohaveherownmobilephone,forIsometimeswanttomakesureifshe______homefordinner.
A.comeB.comesC.hascomeD.willcome
()9.I'
mnotsureifhe___inthisexam.Butifhe___harder,hewilldobetter.
A.succeeds,worksB.willsucceed,willwork
C.willsucceed,worksD.succeeds,willwork
()10.Jeff____thehospitalifhefeelsbetterinafewdays.
A.leavesB.leftC.willleaveD.hasleft
()11.—Doyouknowwhattimeyouruncle_____Hangzhoutomorrow?
—At2:
00p.m.Iwillmeethimwhenhe_____attheairport.
A.getsto,arrivesB.willgetto,willarrive
C.willgetto,arrivesD.getsto,willarrive
()12.—Hi,doyouknowifTom_____tomypartynextweek?
—Ithinkhewillcomeifhe____free.
A.willcome,willbeB.willcome,is
C.come,isD.come,willbe
()13.We'
renotsureifit_____tomorrow.Ifit_____,wewon'
tgohiking.
A.willrain,rainsB.willrain,willrain
C.rains,rainsD.rains,willrain
()14.It_____long____weknowtheresultoftheexperiment.
A.willnotbe,beforeB.is,since
C.willnotbe,untilD.hasbeen,after
()15.It'
sbeyonddoubt___itwill___laterintheday.Takearaincoatwithyou.
A.that,berainB.whether,berain
C.that,berainyD.if,haverain
当堂练习
()1.—Doyouknowwhen_____yourparents?
—Idon'
tknow.Butifthey_____,Iwilltellyou.
A.willcome,comeB.willcome,
willcome
C.come,willcomeD.come,come
()2.—Amy,doyouknowifDaniel_____tothefarmwithustomorrowifit____?
—Sorry,I'
venoidea.
A.willgo,willrainB.willgo,rains
C.goes,willrainD.goes,rains
()3.Ihearthere____atalkonthehistoryofChinaatthehall____April20th.
A.willhave,inB.willbe,on
C.isgoingtohave,untilD.isgoingtobe,at
()4.—Doyouknowwhenyourmother_____?
tknow.Butifshe_____,I'
lltellyou.
A.willcome,comesB.willcome,willcome
C.comes,willcomeD.comes,comes
()5.—Theradiosaysit_____alottomorrow.
—That'
stoobad.It_____soofteninsummerinSuqian.
A.willrain,rainsB.rains,willrain
C.willrain,isgoingtorainD.rains,rains
()6.—Mum,doyouknowifDad_____amodelplaneforme?
—Ithinkhewilldoifhe_____free.
A.willmake,willbeB.makes,is
C.makes,willbeD.willmake,is
()7.Mike______thegoodnewstohismotherassoonashe______hismotherafterschool.
A.willtell;
seesB.tells;
sees
C.tell;
seeD.willtell;
willsee
()8.Wewillgoforapicnic_______itissunnytomorrow.
A.whenB.whetherC.ifD.while
()9.Mariawillspendtimewithherfamilyassoonasshe_____time.
A.willhaveB.haveC.hasD.had
()10.ThetrafficinShanghaiwillbecomebetterifeveryonethetrafficrules.
A.willobeyB.isobeyingC.obeyD.obeys
()11.IfMarylatetomorrow,theteacherwon'
tletherin.
A.isB.willbeC.beD.was
()12.Iwon'
tgotoLinda'
spartyunless.
A.Iwillbeinvited
B.Iaminvited
C.Iwillnotbeinvited
D.Iamnotinvited
()13.JameswiththeGreenstheWhiteTowerParkifittomorrow.
A.aregoingto;
isn'
trainy
B.aregoingto;
doesn'
train
C.isgoingto;
won'
D.isgoingto;
trainy
()14.—Whatwillyoudo_______itdoesn'
traintomorrow.
—We'
llhaveapicnic.
A.untilB.becauseC.ifD.though
()15.—Frankcouldwepainttheroomtogethertomorrow?
—Sure,ifI______freetomorrow.
A.beB.willbe
C.amD.amgoingtobe
课后巩固
()1.—Shallwegoforapicnictomorrow?
—Ifitrain.
A.isn'
tB.won'
tC.don'
tD.doesn'
t
()2.IwillwatchTVinsteadofswimmingoutsideassoonasittomorrow.
A.rainsB.willrain
C.rainedD.haverained
()3.Ifit_______tomorrow,weshallgoonfoot.
A.notrainB.don'
C.rainD.doesn'
train
()4.Mybrotherwilldothisjobbetterifhe______howtouseacomputer.
A.willknowB.knowsC.knowD.knew
()5.—Whatareyougoingtodothisweekend,Daming?
—Iwillhaveapicnicwithmyfriendifit.
A.rainsB.won'
C.doesn'
trainD.isn'
()6.—Yourauntwillwalkthedogtomorrowmorning.
—Yeah,unlessbadweather________her.
A.stopsB.willstopC.tostopD.stop
()7.Iwillsendyouane﹣mai1assoonasI_____inAustralia.
A.arriveB.arrived
C.amarrivingD.willarrive
()8.MysisterhaslearnedEnglish.
A.fortwelveyearsagoB.sinceshewasfour
C.twelveyearsagoD.attheagooffour
()9.Don'
tworryaboutme,mum.I'
llwritetoyouassoonasIschool.
A.willgettoB.arriveat
C.willreach
()10.Wewillgocampingifit_______tomorrow.
A.won'
trainB.doesn'
C.didn'
training
()11.Cindywilldoabetterjobifshe_______overandoveragain.
A.willpracticeB.practiced
C.practicesD.haspracticed
()12.Itwasnotuntilshehadfinishedallherwork_____home.
A.didshereturnB.thatshereturned
C.whenshereturnedD.thatdidshereturn
()13.Iwillgooutforawalkaftersupper,ifit______.
A.didn'
trainB.won'
C.isn'
trainingD.doesn'
()14.Theywillnotgototheconcertifit_______tomorrow.
A.willsnowB.snowedC.snowsD.snow
()15.—I’llgotothezooifit________tomorrow.Willyougowithme?
—Sure.
A.doesn'
trainB.isn'
training
C.won'
trainD.didn'
参考答案
1-5CABBC6-10CADCC11-15CBAAC
1-5ABBAA6-10DACCD11-15ABCCC
1-5DADBC6-10AABBB11-15CBDBA
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