九年级unit3grammar focus.ppt

《九年级unit3grammar focus.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit3SectionAGrammarFocusObjectClauses宾语从句一．教学任务宾语从句二．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(宇航员)?Ourteachertoldus

2、thattheearthgoesaroundthesun.Pleasetellmewhereshehasgone.Idon’tknowifhewillcometonight.Let’sfindoutwhat’sontonight.FindouttheObjectClausesWeareproudofthatBeijingisoneofthebiggestcitiesintheworld.Shehopesshecanpasstheexam.TheteachertoldusTomdidn’ttellalie.Ihearhewillbebackinanhour.二.宾

3、语从句的引导词1.陈述句作宾语从句,由来充当引导词连接主从句。thatthatthatthatthat可省略。1)Doyouknowbookitis（这是谁的书）?2)Couldyoutellmethetrainislate（火车为什么迟到）？3)Heaskedusweleft（我们什么时候离开）.2.特殊疑问句作宾语从句,由充当引导词来连接主从句。由连接代词who,whom,whose,which,what和连接副词where,how,why,when引导的宾语从句，这些连词既有词义又充当句子成份。二.宾语从句的引导词whosewhywhen特殊疑问词1)Is

4、sheright?Iwanttoknow.Iwantknowsheisright.2)Canyouswim?Sheaskedme.SheaskedIcouldswim.一般疑问句作宾语从句,由充当引导词来连接主从句。if/whether“是否”，说明对陈述的事物不明确或不清楚。常用在ask,wonder,can(could)youtellme表示疑问不确定意义的词之后。二.宾语从句的引导词if/whetherif/whetherif/whetherIf与whether的区别Idon’tknow_____hewillcomeornot.Idon’tcareof__

5、____heishandsome.Hewondered______tostayherethenextweek.与ornot连用只能用whether介词后的宾语从句只能用whether与todo不定式连用只能用whetherwhetherwhetherwhetherPracticetime选择if/whether。1.Iaskedher__________shehadabike.2.We’reworriedabout________heissafe.3.Iwonder___________heiswell.4.Idon’tknow________ornotheis

6、well.5.Idon’tknow_______togo.if/whetherwhetherwhether/ifwhetherwhether三、语序宾语从句的语序用陈述语序：主句+连接词+从句（主+谓+其他成分）即：助动词不能放在主语前面。将下列问句变成陈述句。1.Canheswim?→swim.   2.Doeshehaveapen?→apen.   3.Wheredidhego?→.   4.What'swrongwithyou?→.   5.Whathappenedtoyou?→.   6.Whichisthewaytothestation?→.

7、想一想为什么4，5，6语序不变？HecanHehasWherehewentWhathappenedtoyouWhat'swrongwithyouWhichisthewaytothestation疑问语序—“助动词＋主语”的顺序陈述语序－“主语在前，谓语在后”的顺序A.Whatishedoing?Heaskedme___________________whathewasdoing.B.WheredoesJimgo?Everyonewantstoknow______________whereJimgoes.D.Whoiswaitingforher?Pleasetel

8、lme_________