情态动词shall_should__must_用法及练习.ppt

《情态动词shall_should__must_用法及练习.ppt》由会员上传分享，免费在线阅读，更多相关内容在PPT专区-天天文库。

1、Modalverbs1.shall用于疑问句与第一、三人称连用，表示征求意见或请求许可。1)Shallwegooutforamealtogether?2)Shallthenewcomerhaveatry?1.---Theroomissodirty.______wecleanit?----Ok.AwillBShallCWouldDDo(2)用于肯定句与二、三人称连用，表示说话人的允诺，决心，威胁，警告，命令，或法律、文件的规定。Nothingshallstopmefromgoingthere.Youshallbesorryforwhatyouhavedone,

2、Itellyou.决心威胁/警告3.Youshallgetanmp5asyourbirthdaypresentthisyear.4.Thefineshallbepaidincash.5.Personsunder18shallnotbeemployed.（允诺）（规定）（规定）“Theinterest(利息)__bedividedintofiveparts,accordingtotheagreement,”declaredthejudge.mayB.shouldC.mustD.shall2.should表示惊讶、遗憾、“竟然，居然”It’sstrangetha

3、theshouldfailagain.Youcan’timaginethatawell-behavedgentleman___besorudetoalady.A.mightB.needC.shouldD.would3.must----MustIdoitatonce?----Yes,you______./----No,you_____.(=No,you___________mustneedn’tdon’thaveto)Youmustn’twasteanymoretime.Youmustnotsmokehere.禁止,不可以,千万别2)肯定推测，“一定，准是”（

4、只能用于肯定句）1.Shemustbetiredaftersuchalongwalk.2.Hemustbesleepingnow.---Hi,Tom.AnyideawhereJaneis?---She_____intheclassroom.Isawhertherejustnow.AshallbeBshouldhavebeenCmustbeDmighthavebeen3.must表示固执,不满,意为“偏偏，偏要,非得”----MayIsmokehere?----Ifyou__,chooseaseatinthesmokingsection.A.shouldB.c

5、ouldC.mayD.mustJohn,lookatthetime,__youplaythepianoatsuchalatehour?A.MustB.CanC.MayD.NeedWould的用法1.would是will的过去式,但它也是一个情态动词.(would+动词原形）（1）wouldyou表示委婉，客气的说法a)Wouldyouliketohaveacupoftea?b)Wouldyoumindmysmokinghere?c)Wouldyoutellmethewaytothepark?（2）.表示愿意，宁愿，肯HewouldeatnothingItol

6、dhimnottogo,buthewouldnotlistenHewoulddoinspiteofourwarnings.（3）.表示假想的愿望.(但愿,要是...多好/虚拟)Wewishthathewouldcomeagain.ItwouldbegoodifIcouldfly!