2019年春八年级英语下册 Module 9 Friendship模块语法专练课件（新版）外研版.ppt

模块语法专练,whether/if及疑问词引导的宾语从句1.whether/if引导的宾语从句。(1)whether/if引导宾语从句时,意为“是否”,表示不确定的概念,常位于ask,see,say,know,findout等词或短语后面。一般情况下,两者可互换,在口语中多用if。例如:Heaskedif/whethertheyneededsomehelp.他问他们是否需要帮助。(2)whether和if的区别。在动词不定式之前只能用whether。例如:Icantdecidewhethertostay.我不能决定是否留下。在固定结构“whether.ornot”中,只能用whether。例如:Iwanttoknowwhetheritsgoodnewsornot.我想知道它是否是个好消息。在介词后只能用whether。例如:Hisfatherisworriedaboutwhetherhemaylosehisjob.他的父亲担心他是否会失去工作。,2.疑问词引导的宾语从句。(1)由特殊疑问句充当宾语从句时,该从句由特殊疑问词引导,此从句要用陈述句的语序。例如:Idontknowwhentheplaneflies.我不知道飞机什么时候起飞。(2)当宾语从句由连接副词或代词when,where,who,why,which,what,whose等引导时,有时可以改为由“疑问词+动词不定式”构成的不定式短语,使宾语从句转化为简单句。但前提是主句的主语与从句的主语一致或主句的宾语是从句的主语。例如:CanyoutellmehowIcangettothebusstop?Canyoutellmehowtogettothebusstop?你能告诉我怎样去公交车站吗?,.单项填空(C)1.Iwonder.Yes,ofcourse.A.wherewecanbuythepartsB.howoftenyouhearformyoursisterC.ifImayhaveawordwithyouD.whyhearrivedlateyesterday(A)2.Whatdidheaskjustnow?Hewondered.A.iftheywouldmeetattheschoolgateB.whenwouldtheystartC.thattheywouldtakesomefoodD.howtheywillgetthere,(D)3.IwondertheideatoDaming.Hestilllooksangry.A.ifhaveyoumentionedB.whathaveyoumentionedC.whatyouhavementionedD.ifyouhavementioned(B)4.Doyouknowwewillarriveatyourhometown?Thisafternoon.A.whyB.whenC.ifD.where(C)5.Mygrandmotheralwaysasksme.A.whycansheusetheiPadB.howcansheusetheiPadC.howshecanusetheiPadD.whencansheusetheiPad,.用适当的引导词填空1.CouldyoutellmehowpeoplecelebratetheDragonBoatFestivalinChina?Sure.Peopleusuallywatchthedragonboatracesandeatzongzi.2.Imwaitingforthemail.Doyouknowwhenitwillarrive?Usuallyitcomesby4:00pm.3.Excuseme.Iwonderif/whetherthereisabusheretogotoDowningStreet.Yes.BusNo.223.4.Couldyoutellmewhathesaidatthemeeting?Sorry,Ididntgotothemeeting.,.将下列句子改为含有宾语从句的复合句,每空一词1.Whendidthetrainleave?Iwantedtoknow.Iwantedtoknowwhenthetrainleft.2.Aretheremanypeopleattheparty?Ididntknow.Ididntknowif/whetherthereweremanypeopleattheparty.3.DoesitcostmuchmoneytoflytoBeijing?Couldyoutellme?Couldyoutellmeif/whetheritcostsmuchmoneytoflytoBeijing?4.WhoinventedTVset?Idontknow