单元语法聚焦七.doc

单元语法聚焦七被动语态(三)本单元主要介绍含有情态动词的被动语态其肯定式、否定式及疑问式如下：1.肯定式：主语＋情态动词＋be＋及物动词的过去分词＋其他.Anumbrellamustbetakenwithhim.他必须带一把伞。Thedogmaybefedthreetimeseveryday.可以每天给这条狗喂食三次。2.否定式：主语＋情态动词＋not＋be＋及物动词的过去分词＋其他.Thegamemustn'tbeplayedinthewater.不能在水里玩这个游戏。Thesemoviesshouldn'tbewatchedbyteenagers.青少年不应该观看这些电影。3.疑问式：情态动词＋主语＋be＋及物动词的过去分词＋其他？Mustpapersbehandedinnow?现在必须交试卷吗？Cancarsbeparkednearhere?能在这附近停车吗？Ⅰ.单项填空()1.Thecomputergamesmust________atonce.It'sreallybadforyourstudy.A.beturningoffB.turnoffC.beturnedoffD.turnedoff()2.Hurryup!Theexammust________in100minutes.A.finishB.befinishedC.isfinishedD.tofinish()3.Thedictionarymay________forthreeweeks.A.keepB.bekeptC.borrowD.beborrowed()4.Alotofstars________intheskyatnightinsummer.A.canbeseenB.canseeC.isseenD.mightsee()5.(2019·孝感)—What'sthemeaningoftheactivity“Let'sSave”？—Papershouldn't________ineverydaylife.A.wasteB.wastedC.bewastedD.iswasted()6.(2019·贺州)—Thetrafficistoobusy.Wehavetodriveslowly.—Ithinkmorenewroads________inourcity.A.shouldbebuiltB.shouldbuiltC.havebuiltD.build()7.—Whatshouldwedotoprotectourenvironment?—People________throwingrubbishintotheriver.A.muststoppingB.mustbestoppingC.mustbestoppedD.mustn'tstop()8.—Yourcupshould________onthetable.Oritmayfalloff.—OK.I'lldoitrightnow.A.putawayB.beputtingawayC.puttingawayD.beputawayⅡ.根据汉语意思完成句子1.可以让她的朋友来画这幅画。Thepicturecan________________________herfriend.2.应该允许他们加入俱乐部。Theyshould________________________________theclub.3.你们应该马上就把教室里的全部书桌擦干净。Allthedesksintheclassroom________________________atonce.4.他们需要在那里建一座大桥而且要建得很好。Theyneed________________abigbridgeoverthereanditmust________________well.Ⅲ.按要求完成下列各题1.Mycomput