中考英語 條件狀語從句專項(xiàng)課件

條件狀語從句在復(fù)合句中表示主句動(dòng)作發(fā)生條件的狀語從句。一條件狀語從句引導(dǎo)詞so/aslongasifunless二、結(jié)構(gòu)與時(shí)態(tài)if如果是否:條件狀語從句:賓語從句=whether（時(shí)態(tài)根據(jù)語境而定）二、結(jié)構(gòu)與時(shí)態(tài)if引導(dǎo)的條件狀語從句主將從現(xiàn)主情從現(xiàn)主祈從現(xiàn)1.主句是一般將來時(shí)，if從句用一般現(xiàn)在時(shí)。主將從現(xiàn)Ifitrains,Iwillstayathome.If從句主句If從句在主句前時(shí)，________逗號(hào)隔開。If從句在主句后，________逗號(hào)。用不用主句must,may,can等情態(tài)動(dòng)詞，從句也要用一般現(xiàn)在時(shí)。主情從現(xiàn)Youmuststopifthetrafficisred.If從句主句3.主句是祈使句，從要用一般現(xiàn)在時(shí)。主祈從現(xiàn)PleasecallmeifhecomesnextSunday.If從句主句1.Ifyou_____totheparty,you’llhaveagreattimeA.willgoB.wentC.goD.going2.Ifyou’remorecareful,you_____muchbetter.A.do B.willdo C.aredoing D.did3.I____hertheanswerifshe____me.A.cantell,willaskB.willtell,willaskC.wouldtell,askD.willtell,asks課堂練習(xí)CBD4.Putupyourhandsifyou_____(have)anyquestions.5.Ifit____(be)coldtomorrow,Iwillwearmysweater.6.Hecangohomeifhe________(finish)hishomework.haveisfinishesIf總結(jié)if如果主將從現(xiàn)主情從現(xiàn)主祈從現(xiàn)是否Unless如果不，除非=ifnotUnlessyougoatonceyouwillbelate.

如果你不馬上走，就會(huì)遲到的。as/solongas:只要Youwillpasstheexam

aslongas

youkeeponstudyinghard.只要你繼續(xù)努力學(xué)習(xí)，你就會(huì)通過考試。課堂練習(xí)

Shesaysthatshewillhavetoclosetheshop______businessimproves.

AifBorCunlessDbecause2.

Ifshe____tomorrow，I'llcallyou.