英语宾语从句ppt课件.ppt

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1、TheObjectClause宾语从句Welcometomyclass!Theyknowtheteacher.TheyknowthattheteacherisanEnglishman.AsentenceservingasobjectiscalledObjectClause.GrammarObjectClause主语谓语宾语主语谓语宾语宾语从句从属连词that疑问代词Who,whom,whose,which,what疑问副词where,how,why,when从属连词whether,if1.宾语从句的引导词怎样选择引导

2、词？特殊疑问句：Whoishe?陈述句：一般疑问句：Isheastudent?我不知道他是谁？我们问他是否是个学生。他说他是个学生。WatchI'mastudent.结论1：陈述句作宾语，引导词用,无词义，可以省略。thatheisastudent.Hesays_________________thatPractice：句型转换HelivesinBeijingIguess……Iguess（that）heIivesinBeijing.“Iamastudent.”结论2:一般疑问句作宾语,引导词用,有词义表“是否”，句子

3、成分。whether/ifheisastudent.Weaskhim________________________Whether或if不作Practice：DoesJackcomefromJapan?Doyouknow…?Doyouknowwhether/ifJackcomesfromJapan.(陈述句语序)“Isheastudent?”Idon’tknow_____________whoheis.结论3：特殊疑问句作宾语，引导词用，该词句子成分。原疑问词PracticeWheredoeshecomefrom?I

4、don’tknow…Idon’tknowwherehecomesfrom.（陈述句语序）作“Whoishe?”Hedoesn’tunderstandyousaid.意思：成分：.IameagertoknowyoustudyEnglish.意思：成分：.what“什么”宾语“怎样”状语how结论4：引导词的选择还要根据引导词的.意思和在从句中是否做成分，做什么成分1.Iwonder_______heiscryingnow.A.thatB.whyC.howD.when2.Haveyoufoundout______weca

5、ndoonHainanIsland?A.whatB.howC.ifD.whether3.Lilysaid_______shehadfinishedhercomposition.A.ifB.thatC.whenD.where4.Idon’tknow______hestillliveshere.A.whetherB.ifC.whenD.AandBIf/whether（是否）的区别一般情况下，if和whether可以互换，但以下4种情况只能用whether：①在不定式前：Whethertogothereornothasn’

6、tbeendecided.②在介词后：Itdependson(依靠)whetheritisgoingtorain.③与ornot连用：Theyaretalkingaboutwhethertogothereornot.④做主语从句：Whetherheisrightisn’timportant.主语只能用if不能用whether引导的宾语从句if引导条件状语从句，意为“如果”Thestudentswillgoonapicnicifitissunny.if引导否定概念的宾语从句时HeaskedifIdidn’tcometo

7、schoolyesterday.引导状语从句evenif（即使）和asif（好像）时Hetalksasifhehasknownallaboutit.Ihearanewrestaurantwillbeopenedinthecitynextmonth.CouldyoutellmewheretheyarehavingapicnicIdon’tknowyouwanttotakepartinthecompetition.结论4：主句是一般现在时，宾语从句的时态。主句为现在时2.宾语从句的时态根据具体情况而定Iheardanew

8、restaurantwouldbeopenedinthecitynextmonth.Ididn’tknowyouwantedtotakepartinthecompetition.Shetoldusshehadborrowedthebookfromthelibrary.结论5：主句是一般过去时，宾语从句要。主句为过去时用与其相应的过去的某种时态结