资源描述：
《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.Youshallb
2、esorryforwhatyouhavedone,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.should
3、C.mustD.shall2.should1).Childrenshouldbedevotedtotheirparents.2).Youshouldn’tbesocareless.oughtnotto2）比较有依据的推测将来某种情况，“按理说会，估计会”1)It’s2:30,Theyshouldbeherenow.2)Theglassesshouldbeenoughforeachguest.3)Weshouldarrivebeforedark.4)Theroadsshouldbelesscrowdedtoda
4、y.(3)表示惊讶、遗憾、“竟然，居然”I’mgladthathissonshouldhavewonthefirstprize.It’sstrangethatheshouldfailagain.Youcan’timaginethatawell-behavedgentleman___besorudetoalady.A.mightB.needC.shouldD.wouldThere__beanydifficultyaboutpassingtheroadtestsinceyouhavepracticedalotin
5、thedrivingschool.(05上海)A.mustn’tB.shan’tC.shouldn’tD.needn’t---WhencanIcomeforthephotos?Ineedthemtomorrowafternoon.---They___bereadyby12:00.A.canB.shouldC.mightD.needIt’snearlyseveno’clock.Jack__behereatanymoment.A.mustB.needC.shouldD.can3.must----MustIdoit
6、atonce?----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”（只能用于肯定句）1.Shemustbetiredaftersuchalongwalk.2.Hemustbesleepingnow.---Hi,Tom.AnyideawhereJaneis?---She_
7、____intheclassroom.Isawhertherejustnow.AshallbeBshouldhavebeenCmustbeDmighthavebeen(3)must表示固执,不满,意为“偏偏，偏要,非得”----MayIsmokehere?----Ifyou__,chooseaseatinthesmokingsection.A.shouldB.couldC.mayD.mustJohn,lookatthetime,__youplaythepianoatsuchalatehour?A.MustB.
8、CanC.MayD.Need1.Whymustyoualwaysbreakinwhenothersaretalking?2.Ifyoumustbreakthelaw,ofcourse,youwillbepunished.1.Treesaregoodforman.Wecan’tplantthem_____many.AsoBsuchCtooDenough2.Inarelyrace,aplayercan’
