七年級英語下冊Module3NaturalelementsUnit6Electricity第3課時

Unit6Electricity第3課時(kèshí)GrammarModule3Naturalelements廣東(guǎngdōng)學(xué)導(dǎo)練七年級下冊配上海教育版第一頁，共19頁。Unit6Electricity第3課時(kèshí課前預(yù)習(xí)選擇填空(tiánkòng)（）1.—Mum,__________IvisittheModernArtMuseumnextMonday?—I’mafraidyoucan’t.AllthemuseumsinthiscityareclosedonMonday.(2016廣東）A.would B.need C.should D.may（）2.—IsthatboyTom?—It__________beTom.Hehasgonetohishometowntovisithisgrandparents.(2016銅仁）A.can B.can’tC.must D.mustn’tDB第二頁，共19頁。課前預(yù)習(xí)選擇填空(tiánkòng)DB第二頁，共19（）3.—Whatwilltheweatherbeliketomorrow?—It__________berainy,cloudyorsunny.Whoknows?(2016鄂州）A.must B.might C.should D.can’t（）4.—MustIcleantheroomnow,Mum?—No,__________.(2016邵陽）A.youmustn’t B.youneedn’t C.youcan’t（）5.—Excuseme,__________Itakethemagazineoutofthereadingroom?—Sorry,youcan’t.Justhere,please.(2016淮安）A.must B.would C.may D.needBBC第三頁，共19頁。（）3.—Whatwilltheweather語法聚焦情態(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,butIcan’t.她會開車，但我不會。（2）表示許可，常用在口語中，相當(dāng)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(cǐshí)can’t譯為“不可能”。如：—CanitbeMary?會是瑪麗嗎？—No,itcan’tbeher.ShehasgonetoShanghaionbusiness.不可能是她。她去上海出差了。第四頁，共19頁。語法聚焦情態(tài)動詞can，may,must的用法第四頁（4）could是can的過去(guòqù)式，意為“能；會”，表示過去(guòqù)的能力。如：Hecouldplaythepianowhenhewas5.當(dāng)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？第五頁，共19頁。（4）could是can的過去(guòqù)式，意為“能；會（2）表示推測，談?wù)摽赡苄?，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(zhùyuàn)時，may常譯為“祝愿(zhùyuàn)”，通常結(jié)構(gòu)為“may+主語+動詞原形+其他”。如：Mayyouhaveagoodtime！祝你玩得開心！第六頁，共19頁。（2）表示推測，談?wù)摽赡苄?，意為“可能；或許”，一般用于肯定3.must的用法(yònɡfǎ)（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mustn’t意為“一定不要；千萬別”或“禁止；不許”。如：Youmustn’tmakenoiseinthelibrary.你一定不要在圖書館吵鬧。（3）對must引導(dǎo)的疑問句，肯定回答用must，否定回答用needn’t或don’thaveto。如：第七頁，共19頁。3.must的用法(yònɡfǎ)第七頁，共19頁。—MustIreturnthebooktohimtoday?我今天必須把書還給他嗎？—Yes,youmust./No,youneedn’t（don’thaveto）.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(kěndìng)會”，只用于肯定(kěndìng)句中。如：HewontheprizeintheEnglishcompetition.HisEnglishmustbeverygood.他在英語競賽中獲獎了。他的英語一定很好。第八頁，共19頁。—MustIreturnthebooktohim課堂練習(xí)一、用can,can’t,may,must,mustn’t填空(tiánkòng)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.cancan’tmustmustn’tmayMaycan’t第九頁，共19頁。課堂練習(xí)一、用can,can’t,may,mus二、按要求完成(wánchéng)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.youmaynotcan’tcan’t/mustn’tdo第十頁，共19頁。二、按要求完成(wánchéng)下列句子youmayno三、語法填空(tiánkòng)Newenergyinthetwenty-firstcenturyEnergyfromthewindWindis1._________kindofcleanenergy,andthere2._________（be）lotsofit.But,3._________there’snowind,thereisnowindenergy.EnergyfromthewaterWhenwatermoves4._________ahighplacetoalower（較低的）place,itcanmakeelectricitywithout5._________（pollute）.However,peoplehavetobuilddams（水壩）6._________（use）thisenergy,andbuildingdamsisvery7._________（expensively）.aisifthroughpollutiontouseexpensive第十一頁，共19頁。三、語法填空(tiánkòng)aisifthroughpEnergyfromtheSunSolarpanels（太陽能電池板）ontheroofs（屋頂(wūdǐnɡ)）ofhousescanturnenergyfromtheSuninto8._________（electric）.Solarpoweriscleanandplentiful（豐富的）.9._________whentheweatherisbad,it10.___________（notwork）.electricityButdoesn’twork第十二頁，共19頁。EnergyfromtheSunelectric課后作業(yè)一、選擇(xuǎnzé)填空（）1.—________Ifinishtheworknow?—No,you________.Youcanfinishittomorrow.A.May;mustn’t B.Must;needn’t C.Can;mustn’t （）2.—DoIhavetocomebacktomorrow?—Yes,you________.A.can B.may C.must（）3.IhavetopractisemyoralEnglisheverydaybecauseI________speakEnglishwell.A.maynot B.shouldn’t C.can’t BCC第十三頁，共19頁。課后作業(yè)一、選擇(xuǎnzé)填空BCC第十三頁，（）4.—________Icomein,sir?—Ofcourse,youcan.A.Must B.May C.Will （）5.—Idon’tknowwhathedoes.Doyouknow?—Iguesshe________beadoctor.A.can B.may C.must （）6.Theflowerslook________.Iwillbuysome.A.nice B.nicely C.bad（）7.Askthepolicemanoverthere.He________knowthewaytotheScienceMuseum.A.hasto B.could C.mayBBAC第十四頁，共19頁。（）4.—________Icomein,s（）8.John,youneedn’tworktoday.You________doittomorrowifyouaretired.A.must B.may C.can’t（）9.—Who’sthatwomanwithAnn?—I’mnotsure.It________behermother.A.must B.can C.may（）10.ManypeoplelikeJayChoubecausehe________writebeautifulmusic.A.can B.may C.must（）11.—Mum,________Iplayfootballthisafternoon?—Sure,butyou________finishyourhomeworkfirst.A.may;could B.can;must C.may;can’tBCAB第十五頁，共19頁。（）8.John,youneedn’twork（）12.—IsMrBrowndrivinghere?—I’mnotsure.He________comebytrain.A.may B.shall C.need（）13.—Manypeopleplaywithmobilephonesalldayinsteadofreadingbooks.—That’stoobad.Everyone________beabooklover.Readingismoreenjoyable.A.may B.should C.would（）14.—Whereareyougoingthismonth?—We________gotoXiamen.butwe’renotsure.A.needn’t B.might C.mustABB第十六頁，共19頁。（）12.—IsMrBrowndriving（）15.—Pleasebequiet.Ourteacheriscoming.—It________beourteacher.ShehasgonetoBeijing.A.must B.may C.can’t二、選詞(xuǎncí)填空cancan’tmustmustn’tmay1.Mary__________speakthreelanguages.2.__________/__________Ismokeinthisroom?3.__________yousucceed!4.You’reTom’sgoodfriend,soyou__________knowwhathelikesbest.5.I__________liftthebox.Itistooheavyforme.CcanCanMayMaymustcan’t第十七頁，共19頁。（）15.—Pleasebequiet.Ou6.Everythingiscleanandtidy.Someone__________havecleanedmyroom.7.He__________cometomorrow,butIamnotsure.8.You__________playwithfire.Itisdangerous.9.—__________itbetrue?—No,it__________betrue.10.You__________gooutaloneatnight.三、語法(yǔfǎ)填空Electricitymakesourlives1.__________(easy)thanbefore.Weusealotofelectricalappliances2.__________ourhouseseveryday.Here3.__________(be)threeofthem.How