英语人教版九年级全册Unit 10 Grammer Focus.ppt

英语人教版九年级全册Unit 10 Grammer Focus.ppt

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1、Unit10SectionAGrammarFocusReadthesentencespayingattentiontothecoloredparts.Whatareyousupposedtodowhenyoumeetsomeoneforthefirsttime?You’resupposedtoshakehands.You’renotsupposedtokiss.WhatarepeopleinKoreasupposedtodowhentheymeetforthefirsttime?They’resupposedtobow.Whenwereyousupposed

2、toarrive?Iwassupposedtoarriveat7:00.AmIsupposedtowearjeans?It’sveryimportanttobeontime.Itispoliteforboystoshakehandsandforgirlstokisseachotheronthesideoftheface.“besupposedto”的用法1.besupposedto意为“应该;被期望/期待;理应”,用来表示根据规定人们不得不做某事,或期待发生某事,时态、人称和句式的变化在be上体现,to为不定式符号,后接动词原形。2.besupposedto

3、do的否定式,要在be后加not,此时相当于benotallowedtodo,意为“不被许可;不应当”。3.如果表达“过去某时应该(不应该)做”时,用was(wasn’t)/were(weren’t)supposedtodo,相当于should(shouldn’t)have+动词过去分词。besupposedtodosth.“应该做某事”,某人被期望做某事,主语通常是人,相当于beexpectedtodosth.,常用来提出建议,其否定结构为benotsupposedtodosth.。You’resupposedtogetthereearly.你应该早点到那

4、儿。You’renotsupposedtosmokehere.你们不应该在这里吸烟。拓展:★当besupposedto的主语为“物”时,意为“本应,本该”,表示某事本应该发生而没有发生。Thetrainwassupposedtoarrivetenminutesago.火车应该在十分钟前到达。★当besupposedto的主语是人时,后面还可以接“have+过去分词”,意为“本应,应该”,表示本应该做某事而没做。YouaresupposedtohavearrivedinBeijingnow.你本应该现在已经到了北京了。besupposedtodosth为系表结

5、构,强调客观上有责任/义务作某事。Youaresupposedtocleantheblackboard,foryouareondutytoday.should强调主观上应该做某事。Youshouldstudyhard,foryouareastudent.besupposedtodosth.&should的区别Whatareyousupposedtodowhenyouseeanoldmanfalldown?We’resupposedto…Whatareyousupposedtodowhenyougoacrosstheroad?We’resupposedto…W

6、hatareyousupposedtodowhenyouseeathiefstealingsomeone’swallet?We’resupposedto…Whatareyousupposedtodowhenyoufindrubbisheverywhere?We’resupposedto…Whatareyousupposedtodowhensomeoneasksyouforhelp?We’resupposedto…用所给词的适当形式填空Asastudent,IknowIam_________(suppose)tostudyhard.2.Heis________

7、__(notsuppose)tosmokehere.Exercisesupposednotsupposed3.What______you_______(suppose)todowhenyoumeetsomeoneforthefirsttimeinAmerica?4.Iwas_________(suppose)toarriveatthepartyat6:30p.m.,butIarrivedat7:30p.m..aresupposedsupposed①You________askfortheteacher'spermissionifyouwanttoleavet

8、heclassroom.A.supposedthat

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