牛津深圳版英语七下Unit6ElectricityGrammar复习课件

牛津深圳版英语七下Unit6ElectricityGrammarppt复习课件情态动词：

canmaymust定义：本身具有一定的词义，表示某种感情和语气。例句：Youcan’tdoitlikethat.(责备)MayIborrowyourbook?(请求)Youmustfinshyourhomeworkontime.(命令)can观察：Icanswim.Canyouswim?Ican't/cannotswim,butIcanski.总结:1.can表示__________.2.can后面动词用________.3.can的否认形式是：_______或________.4.一般疑问句是将can_______.有能力做某事原形can'tcannot提前HiandLoaretalkingaboutthemselves.Whataretheysaying?Readtheirconversation

andthen

completethestatementsbelowwithCanorCannot.

P771.Hi_____playfootball.2.Lo_______paint.3.Hi_______speakasmanylanguagesasLo.4.BothHiandLo_____dance.5.Lo______driveacar,buthe____playchess.6.Hi____swim,buthe_______playtheguitar.cancancancancannotcannotcannotcannotLet'splayachingame.(接龙)A:Icanswim.Canyouswim?B:Yes,Ican.Icansing.Canyousing?C:No.Ican't.Icanrideabike.Canyourideabike?D:....can/may观察：总结：1：can/may表示：____和_____.后接:_______2:can的否认形式:____________may的否认形式：________May/CanIuseyourmobilephone？Yes,youmay/can.No,youmaynot/can't.Youmay/canturnontheTV.Youmaynot/cannotplayinthekitchen.请求允许原形can't/cannotmaynotDaisyisnotfeelingwelltoday.Bennyisathomewithher.Readtheirconversationbelow.Filltheblankswithmayorcan.P78Benny:Yes.I____._____Icarryyourbagforyou?Daisy:Yes,youmay.That’ssokindofyou,Benny.I’mreadytogo._____youopenthedoorforme?Benny:Yes,Ican.Daisy:Thanks.MaycanCanBenny:Howareyoufeeling,Daisy?Daisy:Notverywell.Benny:____________Igetyouachair?Daisy:Yes,thanks.Benny:I’mgoingout._____Iborrowyourbicycle,Daisy?Daisy:Yes,youmay.Beforeyougotomeetyourfriends,canyoucomeandseethedoctorwithme?MayMay/CanAmanisgoingtoseehisboss.Heisstandingatthedoorway.MayIcomein?Whatwouldhesay

ifhewantstobepolite?bossComein,please.Astudentisgoingtoasktheteacheraquestion.MayIaskyouaquestion?teacherSure.c.Aboyisthirsty.Heisaskinghismotherforsomething.MayIhaveaglassofwater?hismotherHereyouare.Youenterashop.Thegirlwillsay...MayIhelpyou?I'dliketobuysome...Youmustandmustnot观察：总结：1.must表示______和_______.后接：______2.Must提问，肯定答复：仍用______答复否认答复：用____________或_________1.WemustlistentoMissLicarefully.2.Youmustnot/mustn’tbelateforclass.3.MustIcleantheblackboardnow?Yes,youmust.No,youneedn't.No,youdon'thaveto.命令制止原形mustyouneedn'tyoudon'thavetoDaisysawadoctor.Thedoctortoldherwhattodoandwhatnottodo.Helpherwritedownthedoctor’sinstructions.drinkmorewatergotobedearlyeatcoldfoodsharecupswith

othersgooutalonetakethemedicineontimeImustdrinkmorewater.____________________________________________________________Imustnot_________________________________________________________________________________Imustgotobedearly.Imusttakethemedicineontime.eatcoldfood.Imustnotgooutalone.Imustnotsharecupswithothers.小结：can/may/must共同点：1.__________________________________2.__________________________________3.__________________________________不同之处：1.can表示_________may表示：________must表示：__________2.can/may提问遵循：_________must提问,否认答复：_________________后面动词都用原形。否认句都是后面加not一般疑问句都是将其提前有能力做某事/请求、允许请求/允许命令、制止什么问，什么答needn't/don'thaveto我会游泳但玛丽不会。I__________butMary_______.2.我八点之前必须完成作业。I__________myhomeworkbeforeeighto’clock.3.我可以借用你的自行车吗？________borrow?4.你不可以在这里打篮球。You______________________here.5.-MustIstayherenow?-____,you_______.You_______leavenow.canswimcan'tmustfinishMayImustn’tplaybasketballI.根据中文意思完成句子。ExercisesNoneedn'tmay/canAB

canmaymustcan/may/must的双面性观察：1.HemaybeTom.BecausehelooksastallasTom.ButIamnotsure.2.-Canthestorybetrue?-Itcan'tbetrue.Helied.3.Hemustbeathome.Look!Thelightsareon.总结：1.can/may/must还可以用来表示_________.2.可能性由大到小的排序：________________.3.must表示一定，其“不可能〞是：__________4.表示可能时，________不用于肯定句。推测must---may/cancan'tcanMayhebeZhouJielun?It________beZhoujielun.It_______beJackyCheng.duang!can'tmustCanshebeMissLi?She_____beMissLi.Whomustshebe?She_____beAngelaBaby.can'tmustWhomayshebe?CanshebeZhouXun?Howmuchdoyouknowaboutyourclassmates?Therearesomethings.Doyouknowwhoseitis?情景剧A:Icanplaybasketball.

Can/MayIplaybasketballhere?B:No,youcan't/maynot.Youmustn'tplaybasketballinthecLassroom.Youmayhurttheclassmates.Youcan/mustplayitontheplayground.abasketballfanmonitor(班长)aclassmateatnightintheKTVonthewallonthepaperatschool.outsidetheschoolA:Ican___________.

Can/MayI________________?B:No,youcan't/maynot.Youmustn't_________________________._________may

/must__________________Youmust/may_____________________________.【中考演练】(1)—MayIchangethefilmhere?(广州.2021)—No,you___dothatinthesunshine.A.needn’tB.don’thavetoC.can’tD.maynot(2)---Listen!Somebodyissinginginthenextroom.Who____itbe?IsitMeihua?(深圳)---No.It____beher.Sheisatschoolnow.A.will,maynotB.must,mustn’tC.may,can’tD.may,won’t(3)----___Itakethenewspaperaway?----No,youmustn't.You____readitonlyhere.(惠州.2021)

A.Must;canB.May;canC.Need;mustD.Must;must(4)You___goandseeadoctoratoncebecauseyou‘vegotafever.(上海)

A.canB.mustC.mayD.could1.--MayIwatchTV,Dad?--No,you_____.Youmustfinishyourhomeworkfirst.A.mustn’tB.maynotC.couldn’tD.mightnot2.--_____youcarrythebagbyyourself?--Yes,Ican.A.Must B.CanC.Should D.May3.You_____throwrubbisheverywhere.A.mustn’t B.can’tC.maynot D.couldn’tII.单项选择。ABA4.--_____Iborrowthesemagazines?--Sorry,onlythemagazinesovertherecanbeborrowed.A.Need B.wouldC.MustD.May5.It’sthelibrary!Soyou_____notshouthere.A.must B.can C.shouldD.may6.ManypeoplelikeJayChoubecausehe_____writeandsingpopularsongs.A.must B.can C.shouldD.mayDABUsethefollowingsentence“Ican…〞totellothersyourspecialability.Forexample:Icanholdmybreathfortwominutes.……Youwillbegivenseveralsituations.Afterreadingthedescriptionsandlookingatthepictures,decidewhatyouwouldsayinthesesituations.Whatdothesesignsmean?〔Youmustn’tsmokehere.〕〔Youmustn’tclimbthisladder.〕〔Youmustn’tswimhere.〕〔Youmustn’tuseyourmobilephonehere.〕may表示许可或请求对方允许，意为“可以；可能；或许〞；否认形式为maynot,意为“不可以〞。除了maynot以外,can’t、mustn’t都可以表示“不可以〞。但mustn’t语气更强。may构成的一般疑问句的答复形式为：—MayI...?—Yes,youmay./No,youmaynot.maybe和maybe的区別:maybe是“情态动词+系动词be〞构造，表示“可能是〞,maybe作副词；表示“大概；也许〞。例如：Hemaybeintheroom./Maybeheisintheroom.◆can/cannotarewordsto

showourabilitiescan①beableto能，能力e.g.我可以唱一首英语歌曲。Ican/amabletosinganEnglishsong.②过去式：coulde.g.我十年前就能做到那样。Icoulddothat10yearsago.③否认式：cannot=can’tcan—用于一般现在〔can〕、一般过去时态〔could〕。beableto—用于一般现在〔amableto〕、一般过去时态〔was/wereableto〕、一般将来时态〔willbeableto〕。◆拓展〔can与beableto的区别〕①mustbe——“肯定推测〞e.g.---WhatisTom?---Hemustbeastudent.②“否认推测〞——can’tbee.g.---WhereisTom?---Hecan’tbeinthelibrary.◆拓展(推测,可能)·Heisintheclassroom.100%·must﹥99%(must表推测，用于肯定句)e.g.Hemustbeintheclassroom.他肯定在教室。·may50%(may表推测，用于肯定句)e.g.Hemaybeintheclassroom.他可能在教室。·can’t/couldn’t(can/could表推测用于否认句)e.g.Hecan’tbeintheclassroom.他不可能在教室。用本单元所学的情态动词填空。1.—Kate,youhavewontheEnglishcompetition!—Oh,it____betrue.Imadealotofmistakesinit.2.You________talktoyourgrandparentslikethat.It’simpolite.3.We____washourhandsbeforemeals.Itisgoodforourhealth.can’tmustn’tmust4.Excuseme,____youtellmethewaytothenearestpark?5.You________gowithustothezooifyouwantto.6.I____speakChineseverywell,butI____speakFrenchatall.can can/maycancan’t翻译以下句子。1.门锁了。他不可能在家。 Thedoorislocked.He_____beathome.2.我的手表停了。肯定有毛病。 Mywatchdoesn’twork.There_____besomethingwrongwithit.3.—我可以借用你的尺子吗？ —当然可以。但是你必须明天还给我。 —____I