【课件】B6M1Grammar情态动词need.ppt

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1、Module1Grammar选修6Objective学习和区别didn’tneedtodo和needn’thavedone的用法。JohnwenttothestationwiththecartomeetMary,soshedidn'tneedtowalkbackhome.约翰开车去车站接玛丽，所以她不必步行回家了。JohnwenttothestationwiththecartomeetMary,sosheneedn'thavewalkedbackhome.约翰开车去车站接玛丽，所以她本不必步行回家了。（Mary步行回家没有遇上John的车。）didn’tneed

2、to和needn’thavedone相同点是：两者都表示过去时间内不必做一件事。不相同点是：didn’tneedtodo过去不必做(实际上也没做)而needn’thavedone过去本不必做（但实际上做了）Therewasplentyoftime.She___.A.mustn’thavehurriedB.couldn’thavehurriedC.mustnothurryD.needn’thavehurried答案D。needn’thavedone.意为“本不必”，即已经做了某事，而时实际上不必要。mustn’thavedone用法不正确，对过去发生事情进行否定

3、性推断应为couldn’thavedone,“不可能已经”。Youneedn’thavespokensoslowly.Whosaidthis–thetouristortheEnglishperson?Whydidshesayit?Chooseoneofthesepossiblereasons.Theotherpersonwasspeakingtooquickly.Theotherpersonwasspeakingtooslowly.Theotherpersonwasspeakingslowlyanditwasn’tnecessary.thetouristComp

4、letethesentencesusingdidn’tneedtoorneedn’thavedone.Webroughtsomefoodtothepartybuttherewastoomuch,sowe___________________(bring)any.MyfriendspokegoodMandarinsoI(translate)____________________thespeechforhim.needn’thavebroughtdidn’tneedtotranslate3.Theofficehadalreadyopenedwhenwearrive

5、dsowe________________(wait)outsideinthestreet.4.Igottothepartyat6p.m.buttherewasnoonethere,soI__________________(arrive)soearly.5.Itoldthehostallaboutmyhometownandthenhetoldmehe’dbeenthere.I_______________(tell)himanything!didn’tneedtowaitneedn’thavearrivedneedn’thavetold1.天要下雨了,你没必要

6、浇花。2.昨天你本没必要去车站。汉译英。Itwasgoingtorain.Youdidn’tneedtowatertheflowers.Youneedn’thavegonetothestationyesterday.3.你无需告诉他这一消息,那只会使他悲伤。4.如果我早知道火车站这么近,我就用不着打出租车了。Youdidn’tneedtotellhimthenews;itjustmadehimsad.IfIhadknownthattherailwaystationwassonear,Ineedn’thavetakenataxi.Review复习didn’tnee

7、dtodo和needn’thavedone的区别。Theweatherturnedouttobefineyesterday.I____thetroubletocarrymyumbrellawithme.(2006江西)A.shouldhavetakenB.couldhavetakenC.needn’thavetakenD.mustn’thavetaken实战高考2.Asyouworkedlateyesterday,you____havecomethismorning.(2006陕西)A.mayn’tB.can’tC.mustn’tD.needn’t3.—Didy

8、oureturnFred