八下unit4Grammar

Unit4,Module2Artsandcrafts,Cartoonsandcomicstrips,Grammar,写出下列单词的过去式和过去分词。go_hang_have_keep_speak_,课前小测,学习目标：1.复习一般现在时、一般过去时和一般将来时被动语态的结构和用法。2.学习含情态动词的被动语态的结构和用法。,Game：Typhoon,DividealltheSsintotwogroups.Everycardhasaquestion.Ifyouarecorrect,yougetthepoints.typhoonblowawaythepoints.Theteamwiththemostpointsattheendwins.,AGame,A,B,C,D,E,F,G,H,K,J,I,L,A,我们每天都打扫教室。Ourclassroom_everyday.,iscleanedbyus,B,这座房子是她爸爸1996年建的。Thehouse_in1996.,wasbuiltby,herfather,C,他们的运动会将于下个月举行。Theirsportsmeeting_nextmonth.,willbeheld,D,Themotorbikeisriddentohisfactoryeveryday.,Heridesthemotorbiketohisfactoryeveryday.,E,ThesnowmaniscalledMrStrong.,WecallthesnowmanMrStrong.,F,Somefruitswereboughtyesterday.,Heboughtsomefruitsyesterday.,G,Theywillfinishtheworkintendays.Theworkwillbefinished(bythem)intendays.,H,Theywillhaveaneveningpartytomorrow.Aneveningpartywillbehadtomorrow.,K,说出下列动词的过去式和过去分词：givetake,gavegiven,tooktaken,J,Congratulations,Youarelucky.Youdonthavetoansweranyquestions.Youcanget20points!,I,Congratulations,Youarelucky.Youdonthavetoansweranyquestions.Youcanget20points!,L,说出下列动词的过去式和过去分词：knowbegin,knewknown,beganbegun,主动语态变为被动语态的三部曲:,1.主动语态里的宾语变为被动语态里的主语。（宾变主）,2.谓语动词变为be+谓语动词的过去分词形式。（be+过去分词）,3.主动语态里的主语变为介词by的宾语,组成介词短语,放在被动语态里谓语动词之后。在动词执行者无须说明或强调时，by短语可以省略。（by+原主语）,主动语态变被动之歌：被动语态强调宾，be后加上过去分。be要随着主语变，人称时态要弄准。行为对象作主语，逻辑主语by来引。,三种时态的被动情况：一般现在时：一般过去时：一般将来时：,am/is/areV-pp,was/wereV-pp,shall/willbeV-ppbegoingtobeV-pp,含情态动词的被动语态的结构应该是怎样的呢？,我们学过的情态动词can/couldmusthavetomay/mightshouldoughttoneed,LucycantakegoodcareofLily,LilycanbetakengoodcareofbyLucy.,情态动词变被动：,情态动词+be+过去分词,Theycansingsomebeautifulsongs.,Somebeautifulsongscanbesungbythem.,Hemaycarrythebasket.,Thebasketmaybecarriedbyhim.,Exercise,用情态动词被动语态描写图片内容,（should/water/onceamonth),Theflowershouldbewateredonceamonth.,（must/close/we),Thedoormustbeclosedbyuswhenweareout.,（should/takeaway/atonce/cleaner),Theboxesshouldbetakenawaybythecleaneratonce.,把下列句子变为被动语态,1Weshouldplantmoretrees.2Weshouldntthrowrubbishintotheriver.3Shouldwebringmobilephonestotheschool?,Moretreesshouldbeplantedbyus.,Rubbishshouldnotbethrownintotheriverbyus.,Shouldmobilephonesbebroughttotheschoolbyus?,Workouttherule,Tomakethepassivevoicewithmodalverbs,_isusedbetweenthemodalverbandthepastparticipleofthemainverb.,be,can/couldbe+V-ppmustbe+V-ppshouldbe+V-ppmay/mightbe+V-pp,结论：含情态动词的被动语态:情态动词+be+V-pp,Workouttherule,can/could+not+be+V-ppmustbe+not+be+V-ppshould+not+be+V-ppmay/might+not+be+V-pp,结论：含情态动词的被动语态的否定形式:情态动词+not+be+V-pp,Workouttherule,Can/Could+主语+be+V-pp？Mustbe+主语+be+V-pp？Should+主语+be+V-pp？May/Might+主语+be+V-pp？,结论：含情态动词的被动语态一般疑问句的形式:情态动词+主语+be+V-pp？,Completethearticlebelowwiththecorrectformsofthewordsinbrackets.,Drawingcartoonfaces,Whenwedrawacartoonface,somepartsoftheface_(should/make)biggertomakethefacelookfunny.Soletsstarttodrawacartoonfaceforthewoman!Aroughcircle_(should/draw)first.Thenanoseandbigglasses_(should/add).Next,apairofsmalleyesandasmilingmouth_(must/draw).Themouth_(can/make)largertomakethewomanlookfriendlier.Finally,somehair_(should/add)tothecartoon.Theface_(can/colour)withbrightcolours.,shouldbemade,shouldbedrawn,shouldbeadded,mustbedrawn,canbemade,shouldbeadded,canbecoloured,语法选择,Ilikeplantingtrees.Alotoftrees1bymeeveryyear.Lastweek,myfriendTomjoinedme.Hewenttoahilland2atree,too.Thetree3afterheputitintoahole.Thetrees4byusinthefuture.Inordertomakeourcountrymoreandmorebeautiful,moreandmoretrees5.1AplantBisplantedCplantedDareplanted2AplantedBplantCisplantedDareplanted3AwateredBwatersCwaswateredDiswatered4AaretakengoodcareofBwilltakegoodcareofCareta