外研版高中英语必修3.doc

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1、外研版高中英语必修3Module4SandstormsinAsia语法课（1）By陈秀萍，杨村一中Part1教案设计TeachingAims:MakethestudentstomastertheusagesofInfinitive.TeachingImportantandDifficultPoints:HowtomakethestudentstomastertheusagesofInfinitive.TeachingMethods:1).Inductivemethods2).Pair-work,drillanddiscuss

2、ion.TeachingAids:1).Blackboard.2).Projector.Teachingprocedures:Grammar1InfinitiveGrammar2but+infinitiveI.IntroducetheusagesofInfinitiveforthestudentsfirst.1.lead-intoT:I’llaskyouasimplequestion:What’smyjob?S:YourjobistoteachusEnglish.T:YouusetheInfinitivetobethepre

3、dicativeofthesentence.AndwealwaysuseInfinitivetoexpressourideas.Nowlet’sgoovertheusagesofInfinitive.2.Explanationoftherules动词不定式的时态和语态形式一般式todotobedone进行式tobedoing完成式tohavedonetohavebeendone1)动词不定式的一般式：表示与主动词处于同一时间层面或动作发生于主动词之后。e.g.:HeseemstounderstandwhatIsaid.Iho

4、petovisitParisagain.2.动词不定式的进行式：表示与主动词同时发生且动作正在进行。e.g.:Thetwocheatspretendedtobeworkinghard.3.动词不定式的完成式：表示不定式动作发生于主动词之前。e.g.:Sheseemstohaveseenthisfilm.HehappenedtohavegoneoutwhenIwenttoseehim4.动词不定式的被动式：表示与逻辑主语之间的被动关系。e.g.:Themeetingtobeheldtomorrowisabouthowtosto

5、pthepollution.Iwanttohavebeentoldthenewsearlier.2)复习并拓展动词不定式的句法功能a.动词不定式作主语,e.g.:Tocleanthebuildingisherjob.b.动词不定式作表语,e.g.:Herjobistocleanthebuilding.c.动词不定式作宾语,e.g.:Ihopetogohomeasquicklyaspossible.Shepromisedtogivehimachance.[Notes]:英语中有些介词，如but、except之后可以接动词不定式

6、作宾语，但要注意句子中的主动词是do时，动词不定式要省去to，否则就必须带to.如下列句子所示：Hedoesnothingbutplayallday.//Therewasnothinglefttodobutdropherselfontothebedandsleep.而Ihavenochoicebuttoliedownandsleep.//Atthenewsshedidn’tsayanythingbuttocry.d.动词不定式作宾语补足语Iaskyoutopayattentiontoyourhandwriting.[Note

7、s]:有以下三种情况要注意：⑴根据表达需要可在不定式前加上how,when,where,what等疑问词。Pleasetellmehowtodotheexperiment.Noonetellhimwhentogobackhome.⑵在感官动词see,hear,watch,notice,feel等和使役动词let,make,have等后要省略不定式符号to；在help后可加可不加；而在使役动词get后必须带to。Ineversawhimwearblackglasses.Don’tmakeyourchildstayintheho

8、useallday.Canyouhelpme(to)carrythisheavybox?Icouldn’tgetthecartostart.⑶当句子变为被动语态时，作宾语补足语时原来省去to的应该加上去。Hewasneverseentowearblackglasses.Herchildwa