英语人教版九年级全册宾语从句微课课件.ppt

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1、ObjectClauses宾语从句一．教学任务学习宾语从句二．教学重点1.宾语从句的概念2.宾语从句的引导词3.宾语从句中的语序4.宾语从句的时态变化5.直接引语变间接引语与宾语从句的关系教学难点1.if与whether的区别2.when与if引导的宾语从句和状语从句3.宾语从句与简单句的互换Weknowhim．WeknowhelikesEnglish.主s主s谓v谓v宾o宾o宾语从句就是由一个句子来构成主句的宾语主s谓v宾o简单句复合句一什么是宾语从句？试比较DoyouknowwhoisthefirstChineseastronaut(

2、宇航员)?Ourteachertoldusthattheearthgoesaroundthesun.Pleasetellmewhereshehasgone.Idon’tknowifhewillcometonight.Let’sfindoutwhat’sontonight.FindouttheObjectClausesWeareproudofthatBeijingisoneofthebiggestcitiesintheworld.2.由连接代词Who,whom,whose,which,what和连接副词where,how,why,when引

3、导的宾语从句。这些连词既有词义又充当句子成份。e.g.1)Doyouknowwhosebookitis?（谁的，作定语）2)Couldyoutellmewhythetrainislate?（为什么，作状语）3)Heaskedwhocouldanswerthequestion.（谁，作主语）注：that在句中无词义，在从句中不能充当句子成分，在口语中往往被省略。e.g.Ihear(that)hewillbebackinanhour.1.由从属连词that引导的宾语从句二.宾语从句的引导词3.由从属连词whether,if引导的宾语从句e.g

4、.Iwanttoknowif/whethersheisright.Theydidn’tknowwhetherTomcouldcomebackornot.if/whether引导宾语从句表示“是否”之义，在句中不充当句子成份。if/whether可互换,但whether…ornot为固定搭配.看一看：Idon’tknowifitwillraintomorrow.Ifitrains,I’llstayathome.Iwanttoknowwhenhewillcomeback.Whenhecomesback,pleasetellme.想一想：whe

5、n和if可以引导什么从句？它们的时态有什么特点？when和if既可以引导宾语从句，也可以引导状语从句。在宾语从句中，时态根据需要确定；在状语从句中，遵循主将从现的原则。If与whether的区别Idon’tknow_____hewillcomeornot.Idon’tcareof______heishandsome.Hewondered______tostayherethenextweek.____hewillcomeisnotdecided.与ornot连用只能用whether介词后只能用whether与todo不定式连用只能用whet

6、her作主语只能用whetherHelensaysthatshewilllearnFrenchnextyear.Doyouknowwherehecomesfrom?HeaskedmeifIcouldgettothebusstationontime.三.宾语从句的语序无论主句是陈述句还是疑问句，宾语从句都是运用陈述句的语序，即是“主语在前，谓语在后”的顺序。改一改将下列问句变成陈述句。1.Canheswim?→swim.2.Doeshehaveapen?→apen.3.Whichplacedidhegoto?→Whichplace.4.Wh

7、at'swrongwithyou?→.5.Whathappenedtoyou?→.6.Whichisthewaytothestation?→.想一想为什么4，5，6语序不变？HecanHehashewenttoWhathappenedtoyouWhat'swrongwithyou说一说将上面的句子置于一个主句后，变成一个宾语从句。WhichisthewaytothestationCanyoutellme/Iwanttoknow/Iwonder/Pleasetellme……?e.g.Canyoutellmeif/whetherhecansw

8、im?四.宾语从句中时态的变化Ihear(that)Jim(be)aworkertwoyearsago.Jim(be)anEnglishteachernow.Jim(cook)dinnerto