七年級英語下冊 Module 3 Natural elements Unit 6 Electricity(第3課時)課件 (新版)牛津深圳版.ppt
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Unit6Electricity,第3課時Grammar,Module3Naturalelements,廣東學導練七年級下冊配上海教育版,選擇填空()1.Mum,_IvisittheModernArtMuseumnextMonday?Imafraidyoucant.AllthemuseumsinthiscityareclosedonMonday.(2016廣東)A.wouldB.needC.shouldD.may()2.IsthatboyTom?It_beTom.Hehasgonetohishometowntovisithisgrandparents.(2016銅仁)A.canB.cantC.mustD.mustnt,D,B,()3.Whatwilltheweatherbeliketomorrow?It_berainy,cloudyorsunny.Whoknows?(2016鄂州)A.mustB.mightC.shouldD.cant()4.MustIcleantheroomnow,Mum?No,_.(2016邵陽)A.youmustntB.youneedntC.youcant()5.Excuseme,_Itakethemagazineoutofthereadingroom?Sorry,youcant.Justhere,please.(2016淮安)A.mustB.wouldC.mayD.need,B,B,C,情態(tài)動詞can,may,must的用法1.can的用法(1)表示能力,一般譯為“能;會”,即有某種能力。如:Shecandrive,butIcant.她會開車,但我不會。(2)表示許可,常用在口語中,相當于may。如:CanIuseyourmobilephone?我可以用你的手機嗎?(3)表示推測,意為“可能”,常用于否定句和疑問句中,此時cant譯為“不可能”。如:CanitbeMary?會是瑪麗嗎?No,itcantbeher.ShehasgonetoShanghaionbusiness.不可能是她。她去上海出差了。,(4)could是can的過去式,意為“能;會”,表示過去的能力。如:Hecouldplaythepianowhenhewas5.當他5歲時,就會彈鋼琴了。(5)在表示請求許可時,can,could沒有時態(tài)區(qū)別,只是could在語氣上更加委婉客氣。如:CouldIuseyourdictionary?我可以用你的字典嗎?Yes,youcan.可以。2.may的用法(1)表示請求、許可。如:MayIborrowyourbike?我可以借你的自行車嗎?,(2)表示推測,談論可能性,意為“可能;或許”,一般用于肯定句中。如:Itmayraintomorrow.明天可能會下雨。(3)may的過去式為might,表示推測時兩者無時態(tài)區(qū)別,不過might的可能性低于may。如:Hemightbesick.他可能是生病了。(4)表示希望、祈求、祝愿時,may常譯為“祝愿”,通常結(jié)構(gòu)為“may+主語+動詞原形+其他”。如:Mayyouhaveagoodtime!祝你玩得開心!,3.must的用法(1)must意為“必須;一定”。如:MustIhandinmyhomeworktoday?我今天必須交作業(yè)嗎?(2)must的否定形式mustnt意為“一定不要;千萬別”或“禁止;不許”。如:Youmustntmakenoiseinthelibrary.你一定不要在圖書館吵鬧。(3)對must引導的疑問句,肯定回答用must,否定回答用neednt或donthaveto。如:,MustIreturnthebooktohimtoday?我今天必須把書還給他嗎?Yes,youmust./No,youneednt(donthaveto).是的,必須要還。/不,你不必。(4)must可以表示很有把握的推測,意為“一定會;肯定會”,只用于肯定句中。如:HewontheprizeintheEnglishcompetition.HisEnglishmustbeverygood.他在英語競賽中獲獎了。他的英語一定很好。,一、用can,cant,may,must,mustnt填空1.What_Idoforyou?Iwantsomebananas.2.Tom_rideabike,buthecandriveacar.3.Youareill,Tom.You_seeadoctor.4.Children_playbasketballinthestreet.5.Ifyouarenotcareful,acar_hityou.6._Icomein?Yes,youmay.Comein,please.7.Ablindman_seeanything.,can,cant,must,mustnt,may,May,cant,二、按要求完成下列句子1.MayIgotoplayfootballwithmyfriends,Dad?(作否定回答)No,_.2.Daisycanrepairthemachine.(改為否定句)Daisy_repairthemachine.3.Youmustdothingslikehim.(改為否定句)You_thingslikehim.,you,may,not,cant,cant/mustnt,do,三、語法填空Newenergyinthetwenty-firstcenturyEnergyfromthewindWindis1._kindofcleanenergy,andthere2._(be)lotsofit.But,3._theresnowind,thereisnowindenergy.EnergyfromthewaterWhenwatermoves4._ahighplacetoalower(較低的)place,itcanmakeelectricitywithout5._(pollute).However,peoplehavetobuilddams(水壩)6._(use)thisenergy,andbuildingdamsisvery7._(expensively).,a,is,if,through,pollution,touse,expensive,EnergyfromtheSunSolarpanels(太陽能電池板)ontheroofs(屋頂)ofhousescanturnenergyfromtheSuninto8._(electric).Solarpoweriscleanandplentiful(豐富的).9._whentheweatherisbad,it10._(notwork).,electricity,But,doesntwork,一、選擇填空()1._Ifinishtheworknow?No,you_.Youcanfinishittomorrow.A.May;mustntB.Must;needntC.Can;mustnt()2.DoIhavetocomebacktomorrow?Yes,you_.A.canB.mayC.must()3.IhavetopractisemyoralEnglisheverydaybecauseI_speakEnglishwell.A.maynotB.shouldntC.cant,B,C,C,()4._Icomein,sir?Ofcourse,youcan.A.MustB.MayC.Will()5.Idontknowwhathedoes.Doyouknow?Iguesshe_beadoctor.A.canB.mayC.must()6.Theflowerslook_.Iwillbuysome.A.niceB.nicelyC.bad()7.Askthepolicemanoverthere.He_knowthewaytotheScienceMuseum.A.hastoB.couldC.may,B,B,A,C,()8.John,youneedntworktoday.You_doittomorrowifyouaretired.A.mustB.mayC.cant()9.WhosthatwomanwithAnn?Imnotsure.It_behermother.A.mustB.canC.may()10.ManypeoplelikeJayChoubecausehe_writebeautifulmusic.A.canB.mayC.must()11.Mum,_Iplayfootballthisafternoon?Sure,butyou_finishyourhomeworkfirst.A.may;couldB.can;mustC.may;cant,B,C,A,B,()12.IsMrBrowndrivinghere?Imnotsure.He_comebytrain.A.mayB.shallC.need()13.Manypeopleplaywithmobilephonesalldayinsteadofreadingbooks.Thatstoobad.Everyone_beabooklover.Readingismoreenjoyable.A.mayB.shouldC.would()14.Whereareyougoingthismonth?We_gotoXiamen.butwerenotsure.A.needntB.mightC.must,A,B,B,()15.Pleasebequiet.Ourteacheriscoming.It_beourteacher.ShehasgonetoBeijing.A.mustB.mayC.cant二、選詞填空cancantmustmustntmay1.Mary_speakthreelanguages.2._/_Ismokeinthisroom?3._yousucceed!4.YoureTomsgoodfriend,soyou_knowwhathelikesbest.5.I_liftthebox.Itistooheavyforme.,C,can,Can,May,May,must,cant,6.Everythingiscleanandtidy.Someone_havecleanedmyroom.7.He_cometomorrow,butIamnotsure.8.You_playwithfire.Itisdangerous.9._itbetrue?No,it_betrue.10.You_gooutaloneatnight.三、語法填空Electricitymakesourlives1._(easy)thanbefore.Weusealotofelectricalappliances2._ourhouseseveryday.Here3._(be)threeofthem.Howcanweusethem4._(safe)?,must,may,mustnt,can,cant,mustnt,easier,in,are,safely,Whenweusethericecooker,weshouldkeeptheoutsideofthepotdry.Donotswitchthericecookeron5._/_thepotisempty.Whenweusethewashingmachine,weshouldnotputourhandinitwhenitis6._.Whenwearenotusingit,weshould7._(plug插上插頭)it.Whenweusethemicrowave,weshouldnotturnitonwhenitisempty8._itmightstartafire.Weshouldstandatleast9._(first)metreaway10._themicrowavewhenitison.Beforeweputanobjectinit,makesureitismicrowavesafe.,when,if,on,unplug,because,one,from,- 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