七年級(jí)英語(yǔ)下冊(cè)《Unit 7 Abilities grammar》課件 （新版）牛津版.ppt

Grammar,Unit7Abilities,學(xué)習(xí)目標(biāo),1.了解cancouldmay的用法2.會(huì)使用cancouldmay3.會(huì)使用感嘆句,can,could,用于一般現(xiàn)在與將來(lái)時(shí),用于一般過(guò)去時(shí),can/could表示能力(意為“能,會(huì)”),Can1.能（表能力），2.可以，（許可），3.可能（表可能性）could1.can的過(guò)去式），2.可能,許可（比can更委婉，可能性更小）may1.許可，可能2.比can，could更正式，客氣,Can,語(yǔ)氣越來(lái)越委婉可能性越來(lái)越來(lái)小,could,may,回答時(shí)用can，表示肯定的語(yǔ)氣,Can,could和may都可以表示許可，意為“可以”；Could比can更有禮貌，更委婉地提出請(qǐng)求，想法,（此時(shí)的could不表示過(guò)去，回答時(shí)肯定用can,否定用cant）。May是正式場(chǎng)合，用于對(duì)長(zhǎng)輩，老師或陌生人。,Ican_.,rideabike,Lookandsay,WhatcanIdo?,Ican_.,playbasketball,WhatcanIdo?,He_thecello(大提琴).,canplay,Whatcanhedo?,Ican_everyday.,doexercises,WhatcanIdo?,_flyakiteonthebeach.,What_Ido?,can,Ican,Hecanswim.,Hecouldswimlastyear.,Hecanflyakite.,Hecouldflyakitelastyear.,Hecanrideabike.,Hecouldrideabikelastyear.,Shecanrowaboat.,Shecouldrowaboatlastyear.,Hecanplaytennis.,Buthecouldplayitlastyear.,Shecancook.Shecouldcooklastyear.,句型,肯定句：主語(yǔ)+can/could+do原形否定句：主語(yǔ)+can/couldnot+do原形疑問(wèn)句：can/could+主語(yǔ)+do原形？yes,sbcan/couldno,sbcant/couldnt,如果表達(dá)不能做某事，可以在can后直接加not，成為cannot，也可以縮寫為cant。Cannot如：Icannot(cant)playfootball.can沒(méi)有人稱和數(shù)的變化。不論表示誰(shuí)能(不能)做某事，都是用can(not)。,Icanplaytheguitarbut,Tom_chess_he_itverywell.,canplay,but,cantplay,Icantplayitverywell.,否定句,He_buthe_.,She_she_.,canspeakEnglish,cantspeakitverywell,canpaint,but,cantpaintverywell,如果是詢問(wèn)某人能不能做某事，則要使用can的疑問(wèn)形式，即將can提至句首。如：CanyouspeakChinese?Yes,Ican./No,Icant.,一般疑問(wèn)句,A:Cansheplaytheviolin?B:_,shecan.,A:_she_?B:Yes,_.,Can,dance,shecan,Yes,A:_heplaythedrums?B:No,_,buthecanplaytheguitar.,Can,hecant,A:_sheplaythepiano?B:_,butshe_.,Can,candance,No,shecant,Could的用法,Itcanrideabike.Itcouldntrideabikelastyear.,She_rowaboat.She_rowaboatlastyear.,can,couldnt,rideabike,I_rideabikenow.I_rideabike2yearsago.,couldnot/couldnt,can,Taketurnstoaskandanswerquestionsusing“can”or“could”.Trytomakedialoguesinpairs.1._youspeakEnglish?2._youplaythepianolastyear?3._youcook?4._youuseacomputerwhenyouwere3?5._yourideabicyclewhenyouwereveryyoung?6._youunderstandEnglishTVprogrammesin2000?,Can,Could,Can,Could,Could,Could,Makedialoguesusingthefollowingpattern.,S1:Canyourideabike?S2:Yes,Ican./No,Icant.S1:Couldyourideabikefiveyearsago?S2:Yes,Icould./No,Icouldnt.,Canhe/sheflyakite?Yes,he/shecan.No,he/shecannot/cant.,Can1.能（表能力），2.可以，（許可），3.可能（表可能性）could1.can的過(guò)去式），2.可能（比can更委婉，可能性更?。﹎ay1.許可，2.比can，could更正式，客氣,Can,語(yǔ)氣越來(lái)越委婉肯定回答用can可能性越來(lái)越來(lái)小,could,may,1.Daniel:_Iopenthedoor,MrWu?MrWu:yes,you_2.Tom:Mum,_Ihaveanapple?Mum:No,you_It_rain,becauseitissunnynow.It_rain,becauseitiscloudynow.,May,can,may,Cant,may,can,其構(gòu)成是：肯定句:主+can+動(dòng)詞原形否定句:主+cant+動(dòng)詞原形一般疑問(wèn)句:Can+主+動(dòng)詞原形？肯定回答:否定回答:特殊疑問(wèn)句:特殊疑問(wèn)詞+一般疑問(wèn)句？,Yes,主+can.,No,主+cant.,現(xiàn)在我們來(lái)總結(jié)一下：,eg:Icandance.我會(huì)跳舞。Icantdance.我不會(huì)跳舞。Canyoudance?你會(huì)跳舞嗎？Whatcanyoudo?你會(huì)干什么？,Yes,Ican.是的，我會(huì)。,No,Icant.不，我不會(huì)。,Canyouunderstand?,“can”“could”“may”toaskforpermission.“Could”soundsmorepolitethan“can”.Mayisformal.,1.-CanIborrowyourbike,Millie?-Yes,youcan.Hereyouare.2.-CouldIsmokehere?-Sorry,Imafraidyoucant.3.-MayIuseyourmobilephone?-Ofcourseyoumay.,What/how感嘆句的用法,會(huì)使用what/how感嘆句,1.把鑰匙忘在教室了2.順便問(wèn)一下3.沒(méi)問(wèn)題4.看透墻5.用他的眼睛燒東西6.聽(tīng)得很遠(yuǎn)7.多奇怪啊！8.和光一樣快9.多有趣的一個(gè)主意!10.多優(yōu)美的音樂(lè)!,leftthekeyintheclassroom,bytheway,noproblem,seethroughwalls,burnthingswithhiseyes,hearthingsfaraway,Howstrange!,runasfastaslight,Whataninterestingidea!,Whatnicemusic!,Whatabigpencilboxitis!Howbigthepencilboxis!,Whatbeautifulflowerstheyare!Howbeautifultheflowersare!,Theflowersarebeautiful.Whatbeautifulflowerstheyare.Howbeautifultheflowersare!,Thecatislovely.Whatalovelycatitis.Howlovelythecatis!,pretty,Howprettythelittlegirlis!,Whataprettygirlsheis,Howtallthemanis!Whatatallman(heis)!,Workouttherules:,itis,theyare,itis,用what(a/an)或how填空：,1._excitingmusicitis!2._happilytheyareplaying!3._amazingfilmtheysaw!4._lovelyanimalstheyare!5._amazingmatchitis!,What,How,Whatan,What,Whatan,What與How大轉(zhuǎn)換,1.Whataprettygirlsheis!_thegirlis!2.Howdifficultthequestionsare!_theyare.3.Howbigthefactoryis!_bigfactory_!,Howpretty,Whatdifficultquestions,Whata,itis,4.Whatacleverboy!_theboy_!5.Howtallthetreesare!_talltrees_!6.Whatinterestingbookstheyare!_thebooks_!7.Howfunnythegirlis!_afunnygirlsheis!,Howclever,are,What,Howinteresting,What,theyare,is,8.Howoldthemanis!_oldman_!9.Whatnicebookstheyare!_thebooks_!10.Howamazingthebuildingis!_amazingbuilding_!,Whatan,heis,Hownice,are,Whatan,itis,小結(jié),感嘆句通常有what,how引導(dǎo)，表示贊美、驚嘆、喜悅等感情。,How+形容詞+a+名詞+陳述語(yǔ)序How+形容詞或副詞+陳述語(yǔ)序What+名詞+陳述語(yǔ)序What+a+形容詞+名詞+陳述語(yǔ)序What+形容詞+復(fù)數(shù)名詞+陳述語(yǔ)序What+形容詞+不可數(shù)名詞+陳述語(yǔ)序,Howcleveraboyheis!Howlovelythebabyis!Whatnoisetheyaremaking!Whatacleverboyheis!Whatwonderfulideas(wehave)!Whatcoldweatheritis!感嘆句的省略形式為：Whatacleverboy(heis)!,Lucycanplaythepiano.(改為一般疑問(wèn)句并作肯定回答)_2.Mikecanswim.(改為否定句)_,句型轉(zhuǎn)換,CanLucyplaythepiano?Yes,shecan.,Mikecantswim.,3.Canyouplaychess?(否定回答)_.4.TheycanspeakEnglish.(變?yōu)榉穸ň?They_English.,No,Icant,cantspeak,翻譯句子,1.-比爾會(huì)彈鋼琴嗎？-是的，他會(huì)，但是他不會(huì)唱歌。2.-她會(huì)唱歌嗎？-不，她不會(huì)，但是她會(huì)跳舞。,CanBillplaythepiano?Yes,hecan,buthecantsing.,Canshesing?No,shecant,butshecandance.,3.去年他不會(huì)劃船，但現(xiàn)在他能劃得很好。,4.年輕人能為老年人做很多事情。,Hecouldntrowaboatlastyear,butnowhecandoitwell.,Youngpeoplecandomanythingsfortheelderly.,5.我的網(wǎng)球拍(tennisracket)壞了，昨天我就不能打球了。,6.多么勇敢的年輕人??！,7.太棒了。,Mytennisracketwasbroken,soIcouldntplaytennisyesterday.,Whatabraveyoungman!,Howwonderful!,IV.單項(xiàng)選擇,_foodyouvecooked!A.HowaniceB.WhataniceC.HowniceD.Whatnice,2._terribleweatherwevebeenhavingthesedays!A.WhatB.WhataC.HowD.Howa,Homework,Makesentenceswithcan/couldWhat!How!,Thankyou!,A:I_readtheart