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ID:49992726
大小:1.47 MB
页数:14页
时间:2020-03-06
《牛津版六年级英语上册《Unit7ProtecttheEarth》2.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit7ProtecttheEarthIntroduceIcanuse___to____.Weshould_______.Weshouldnot_______.Words“use+名词+to+动词原形”意思是用某物做某种东西。to后接动词原形。常用短语:protecttheearth保护地球eg:Shealwaysusestoomuchwatertocleanthings.她总是用太多的水来清洗东西。小练习:Inthepast,weoften_____(use)woodtomakefire..useduse…to…W
2、ords(1)usedto表示过去常常做某事。(2)beusedto+doing:“习惯于···”,to是介词,后需加名词或动名词。eg:Iusedtoplayfootballafterschool。过去我常常在放学后踢球。Use···to···扩展eg:Sarahisusedtotakingawalk。Sarah习惯于散步了。WordsShould“应该”,后接动词原形,是较委婉地建议某人做某事。当表示较委婉的拒绝某人做某事时:用其否定形式“shouldn’t+动词原形”。eg:Weshouldfinishourho
3、meworkeveryday.我们每天都应该完成家庭作业。小练习:()Waterisuseful,we_____reuseandsaveit.A.shouldB.shouldn’tC.willAshould/ʃʊd/DialoguesGroupwork:Writemoresentenceswithlearnedsentencesandreportinclass .Expand(1)(表示能力)能···;会···can作情态动词用法eg:Shecandrive,butshecan’trideabicycle.他能开车,但
4、是不会骑自行车。(2)(表示可能、许可)能够···;可以···eg:Youcan’tparkyourcarinthisstreet.你不可以在这条街上停车。Expandcould/beableto区别could表示“原来具备某种能力,现在没有这种能力了”。但was/wereableto则表示过去成功地做成了某事。eg:Icouldswimallthewayacrossthelake,butIcan’tnow.我原来能游过这个湖,但现在不能了。Thefirespreadthroughthehotelveryquickly
5、buteveryonewasabletogetout.大火很快蔓延了整个旅馆,但全体人员都脱离了危险。SummaryUse···to···shouldExercise()1.Theoilis.A.useB.reuseC.useful()2.Tokeeptheairclean,don’ttoworkeveryday.A.walkB.runC.driveCCExercise()3.Weoftenusetocleanthings.A.coalB.oilC.water()4.Theresomepaperonthedesk.A.
6、hasB.isC.areCBExercise()5.Peoplecutdowntreeseveryday.A.lotofB.manyC.much()6.Wecanusepaperatoyplane.A.makeB.makingC.tomakeBCExercise()7.Thereareplasticbagsontheground.A.toomuchB.toomanyC.somuch()8.ToprotecttheEarth,weshoulduse.A.plasticbagsB.plasticbottleC.glassb
7、ottleBCHomeworkCollectmoreexamplesofenvironmentaldamage,writeasmallreport,reportshowingintheclass.
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