人教版七年级上册英语优质课件 Unit 9 Section A Grammar Focus-3c

Unit9Myfavoritesubjectisscience.,SectionAGrammarFocus-3c,TolearntoaskandanswerWhatquestions,Whyquestions,WhenquestionsandWhoquestions.,Objective,Doyouknow？,WhatWhenWhoWhyWhich,什么,什么时候,谁,为什么,哪一个,Letscheck.,GrammarFocus,特殊疑问句以疑问词开头，常用的疑问词有what,who,when,how,why等（因大多数疑问词均以wh-开头，所以特殊疑问句又被称为wh-问句）一、whenwhen作疑问副词，“什么时候，何时”用来询问时间，既可询问某个时段或时刻，也可询问具体的日期。例如：Whendoeshegotoschool?Whenisyourclassmeeting?,Languagepoints,二、whywhy作疑问副词，“为什么”用来询问原因或理由对于why引导的特殊疑问句，答句通常用becauseWhydoyoulikegeography?Becauseitsfun.,注意:because(因为)和so(所以)在英语中不能同时使用,只能选择其一。Becausewearegoodfriends,wehelpeachother=Wearegoodfriends,sowehelpeachother.,三、whowho作疑问代词，“谁”对句中表人的主语、宾语或表语提问Whoisyourbestfriend?(提问主语)Whodoesheplaysoccerwith?(提问宾语)Whoisthemanintheroom?(提问表语),四、whatwhat作疑问代词，“什么”多询问某物，可以对句中的主语、宾语或表语提问。Whatisyourfirstname?(提问表语)Whatdoesyoursisterlike?(提问宾语)Whatsonthedesk?(提问主语)what还可作限定词，和其他名词(如sport,color等)一起引导特殊疑问句。Whatsportsdoyoulike?WhatcolorisherT-shirt?,I.用适当的Wh-疑问词填空，使对话完整。1._isDavidsfavoriteteacher?Mr.Wang.2._doesyoursisterlikescience?Becauseitsinteresting.3._isyourlunch?Itsat9:00.4._isyoursistersfavoritefruit?Oranges.,Why,Who,What,When,Exercises,Fillintheblankswithwhat,whoorwhy.,A:_doyoulikehistory?B:Becauseitsinteresting.2.A:_likesmath?B:Ericdoes.3.A:_isyourfavoritesubject?B:MyfavoritesubjectisP.E.4.A:_isyourscienceteacher?B:MyscienceteacherisMr.Chen.5.A:_doyoulikeart?B:Becauseitsfun.,Why,Who,What,Who,Why,3a,Writequestionsfortheanswers.,Whydoeshelikehistory,Whichsubjectdoyoulike,WhenishisChineseclass,WhatsMarysfavoritesubject,Whoisyourgeographyteacher,3b,Interviewthreeclassmatesandcompletethechart.Thentellyourgroupabouttheresults.,A:Whatsyourfavoritesubject,Jingjing?B:Music.A:Whydoyoulikemusic?B:Becauseitsfun.A:Whosyourmusicteacher?B:Ms.Xie.,3c,1._isyourfavoritesubject?A.HowB.WhatC.HowmuchD.Where2.Theboydoesnt1ikemath,_itsboringA.whyB.becauseC.andD.or,B,B,A:Whatsubjectdoeshelike?B:Helikes_.A:Whydoeshelikeit