广州牛津版英语八年级上册U1 Language.ppt

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1、UNIT1LANGUAGESomepeoplecanlivewithoutmeat.MayIusethephoneplease,Mr.White?Couldyoutellmesomethingabouttheconcert?Someofthiswillnowgo.Wemusttakeactionatonce.Whatflavorwouldyoulike,chocolateorstrawberry?Circlethemodalverbswelearnedineachsentence:情态动词warming-upModalverbs:sho

2、uldandoughtto应该应该ShouldandoughttoaresimilarinmeaningWhendoweuse‘should’or‘oughtto’?Weuseshouldandoughttotosaywhatitisbestorrighttodo.Weshouldputrubbishinthebin.Thewaiteroughttobemorecareful.Thestudentoughtnottosleep.Weshouldnotesintheclass.Weshouldtooknotesintheclass.Wes

3、houldtakenotesintheclass.Weshouldtakenotesintheclass.Weuseshouldandoughttowithotherverbs.Theseverbsdonotchangetheirformsafterthemodalverbs.should/oughtto+v(原形)1、should和oughtto都有“应该”的意思。一般通用，但oughtto语气更强，强调“有责任、义务或按道理应该”有时带有责备或督促的意味。；should有“劝告、建议”的意思，即“按我的想法该如何”强调主观看法，语气

4、比较委婉，should和oughtto在用法上要注意以下几点：1.没有人称和数的变化。2.后面接动词原形。3.可用来构成否定句、疑问句及简明答语。情态动词should和oughtto2、should和oughtto的句式：肯定句:主语+shoulddo...主语+oughttodo...否定句:主语+shouldnot(缩写shouldn't)do...主语+oughtnot(缩写oughtn't)todo...疑问句：Should+主语+do...?回答：Yes,主语+should.No,主语+shouldn't.Ought+主语+t

5、odo...?回答：Yes,主语+oughtto.No,主语+oughtnotto.句型转换。1.Weshouldtakegoodcareoftheyoungtrees.（改为一般疑问句）_______we______goodcareoftheyoungtrees?2.Yououghttoturnoffthelightswhenyouleavetheroom.（改为一般疑问句）_____I__________offthelightswhenIleavetheroom?ShouldtakeOughttoturn3.Yououghttopu

6、tyourbikeunderthetree.（改为否定句）You________________yourbikeunderthetree.4.Thechildshoulddrinksomeorangejuice.（改为否定句）Thechild__________________orangejuice.5.Theyshouldarriveatthestationbefore7o'clock.(就划线部分提问）________________________atthestation?oughtnottoputshouldn'tdrinkan

7、yWhenshouldtheyarrive()1.We____helpthepeopleinneed.A.canB.oughttoC.shouldD.could()2.One____crossthestreetagainsttheredlight.A.oughtnotB.oughttonotC.shouldn’ttoD.oughtn’tto()3.Imissedthetrain.You____methatthetimetablehadchanged.A.shouldtotellB.shouldhavetoldC.oughthavetot

8、ellD.oughthavetoldBBD1.Wethrowtherubbishintothebin.A.shouldB.oughttoC.mayD.would2.Parentsraisetheirchil