人教版八年级上册英语Unit 10 If you go to the party,you'll have a great time!Section B 语法课件：If引导的条件状语从句（22张）

Ifyoumissmyparty,

youwillbesorry.

ifclause从句mainclause主句Ifsentencesif引导的条件状语从句FIRSTSECONDTHIRDZEROIf

I

am

lateforschool,myteachergets

angry.IfclauseMainclauseIf+PresentsimplePresentsimpleIfIoversleep…Imissthebus.IfImissthebus,Iamlateforschool.IfIamlateforschool,myteachergetsangry.If

I

go

toLondon,Iwill

see

theBigBen.IfclauseMainclauseIf+Presenttensewill/can/may/must+verb

IfIgotoLondon…IwillseetheBigBen.IfIgotoBuckinghamPalace,IcantakeaphotooftheRoyalGuard.IfyougotoLondon,youmust

look

rightbeforecrossingastreetif引导的条件状语从句WatchandlearnWhattensesdothesentencesuse?一般现在时一般将来时Watchandlearn这些句子都表示对事情的结果进行预测。Canyoutelltheconjunction(连词)thatconnectsthetwopartsofthesentences?Whatdoesitmean?WatchandlearnWhat’sthemeaningofthe“do”here?Ifyoutakethebustotheparty,you’llbelate.Ifyoustayathome,you’llbesorry.时态：1.如果主句是一般将来时，从句常用一般现在时。即应遵循“主将从现”的原则，If

shecomestoseemetomorrow,I’ll

behappy.Ifitsnowstomorrow,Iwillnotgotothepark.won’t主将从现2.如果主句含有must/can/may

等情态动词，从句一般用___________。

Youmuststopifthetrafficlight____(be)red.is一般现在时3.如果主句是祈使句，从句也常用___________。

一般现在时Pleasestayathomeifit_____

(rain)tomorrow.rains主情从现主祈从现用if…will造句ifIjoinlions.IwilltravelaroundtheworldIfIhavealotofmoney,Iwillbuyabighouse.中考预热1.YoucansurftheInternet______youwanttoknowaboutthe2020WorldMiddleSchoolGames.A.UntilB.AfterC.ifD.Unless2.IfI_____atwo-weekholidaynextyear,IwilltakepartinashortstudytourtoBeijingUniversity.A.took

B.take

C.willtake

D.aretakingCBC()4.Ifit______sunnytomorrow,I____boating.

A.isgoB.willbe,go C.is,willgoD.willbe,willgo

()5.--whatwillyoudoifit______tomorrow,

--I’llstayathomeandwatchTV.

A.rainB.rainsC.willrainD.israining

CB()6.

Ifhe______,I______himthetime. A.comes,tellB.willcome,willtell C.comes,willtellD.willcome,tell()7.Ifit______,it______cold. A.snows,willbeB.snows,is C.willsnow,willbeD.willsnow,is()8.Ifyou____