人教版九年级英语unit3 Grammar Focus.ppt

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1、Unit3SectionAGrammarFocus一、宾语从句的概念在句子中起宾语作用的从句叫做宾语从句。WeknowMrGreenteachesEnglish.Sheaskediftheseanswerswereright.二、宾语从句三要素引导词（连接词）语序时态Review1.UncleWangcameuptosee__________therewasanythingwrongwiththemachine.2.Theshopkeeperaskedmyfather________ornothew

2、antedtochooseabigChristmastree.if/whetherwhether3.Idon’tknow__________togoorstay.4.________thatistrue,whatshouldwedo?whetherIf5.________theywilleverbecomefutureOlympicchampionsonlytimewilltell.WhetherCompletethesentenceswithif/whether.Objectclauseswith

3、wh-questionsExcuseme,doyouknowwhereIcanbuysomemedicine?Cloudyoutellmehowtogettothepostoffice?Canyoutellmewhenthebandstartsplayingthisevening?Iwonderwhereweshouldgonext.Readthesentencesbelow,payingattentiontotheunderlinedparts.Iwonderwhentheparkclosesto

4、day.Couldyoutellmewheretherestroomsarefirst?Doyouknowwherewecangetsomegoodfoodquickly?Let’saskwhattimethebandstarts.（一）连接词。特殊疑问句作宾语从句时不需要再加连接词，疑问词就是连接词，并且不能省略。Iaskwhatyouaredoingnow.我问你现在正在干什么？语序不管什么类型的宾语从句，总是用陈述句语序，即从句的连接词后是主语、谓语、宾语的语序。当连接词做主语时，后面直接跟谓

5、语和宾语。IshallwritetoyouwhatIwanttosay.我会写给你我想说的话。Idon’tknowwhowantstoborrowthesemagazines.我不知道谁想借这些杂志。时态主句和从句的时态须保持一致。如果主句为一般现在时，从句可根据需要选择各种时态；如果主句是一般过去时，从句只能用过去的某种时态(包括一般过去时、过去进行时、过去完成时、过去将来时等)。I’msorrytohearthatyourmotherisill.听说你母亲病了，我很难过。Shedidn’tkno

6、wthatTomhadleftforShanghai.她不知道汤姆已去了上海。宾语从句的注意事项1.引导词及语序的变化规律句式引导词语序陈述句that(口语中常省略)不变一般疑问句if/whether陈述语序特殊疑问句特殊疑问词陈述语序1.当宾语从句的内容是客观事实或科学真理时，不论主句是什么时态，从句都用一般现在时态。2.当主句谓语动词为think，suppose，guess,believe等,并且主语为第一人称时，从句的否定词应转移为对主句谓语动词的否定,即否定前移。提示：例如：Theteach

7、ersaid(that)theearthgoesaroundthesun.Idon'tthinkshecares,doesshe?Youdon'tthinkshecares,doyou?Hedoesn'tthinkhecares,doeshe?宾语从句用法宾语从句需注意，几点事项应牢记。一是关键引导词，不同句子词相异。陈述句子用that；一般疑问是否（if,whether）替；特殊问句更好办，引导还用疑问词。二是时态常变化，主句不同从句异。主句若为现在时，从句时态应看意；主句若为过去时，从句时态向前

8、移。三是语序要记清，从句永保陈述序。巧学妙记4a.Rewritethequestionstomakethemmorepolite.1.WherecanIbuysomegrapesorotherfruit?2.HowdoesthisCDplayerwork?3.HowdoIgettotheCentralLibrary?4.IstheItalianrestaurantnearbyopenonMondays?CouldyoutellmewhereIcanbuysomegra