Unit2HomeSweetHomeCan/CouldforpoliterequestsandpermissionGrammarFocusLessonObjectives:Inthislesson,wewillbeableto:1.use"can/could"tomakepoliterequestsandaskforpermissioncorrectly.2.distinguishbetweenrequests(R)andpermission(P)using"can/could".3.createreal-lifedialoguesusingtargetstructures.1Leadin2Can/Couldforpoliterequests3Can/Couldforpermission4Can/Couldforexpressingability5Practice6Exercise&HomeworkCONTENTLean-inWhatproblemsdidyousee?Howdidtheysolvethem?Myphoneisdead.CouldIuseyourphonetocallmyparents?Sorry,butIdidn'tbringmyphone./ded/

adj.不運行的;死的Iwassickyesterday.CouldyoushowmeyournotesfromtheEnglishclass?Sure.Hereyouare.note/n??t/n.

筆記;便條

v.注意Mr.Wang,canyouhelpmeopenthedoor?Theboxistooheavy.Ofcourse.Whichsentencesaskforhelp,andwhichaskforpermission?R

forrequestsP

forpermissionCanyouhelpmeopenthedoor?CouldyoushowmeyournotesfromtheEnglishclass?CouldIuseyourphonetocallmyparents?詢問“you”時,用于提出要求或請求(requests)。提到“I”時,用于請求許可(permission)。Can/Couldyouplease...?請你....好嗎？/你能(可以)...嗎？Can/CouldI...?我能....嗎？3aReadthequestionswithcanorcould.Noticehowtheyareanswered.ThenwriteRforrequestsorPforpermissionnexttoeachquestion.Couldyoupleasesweepthefloor?OK,Mum.I’lldoitatonce.CouldIhangoutwithmyfriendsafterlunch?Sorry,Jim,butyouhavetopackupyourthingsfirst.CanIputsomeflowersonthetable?Yes,goodidea!Canyouhelpmehangupthephotos?Sure./Noproblem!RRPPatonce=rightaway/now立刻,馬上onthetable在桌上grammar

情態(tài)動詞can

和

could

的用法情態(tài)動詞can和could可用于向?qū)Ψ教岢稣埱?，也可用于請求對方允許自己做某事。它本身不能作謂語，必須和動詞原形一起構(gòu)成謂語。

情態(tài)動詞can

&

could1.用于提出要求或請求

Can/Couldyouplease...?（重點）2.用于請求許可

Can/CouldI...?（重點）3.用于表示能力

can表示現(xiàn)在的能力，could表示過去的能力grammar考向1

用于提出要求或請求

Can/Couldyouplease..?“請你···好嗎？”/“你能/可以···嗎？”，用于提出要求或請求。常用答語有：

肯定回答Yes,sure/ofcourse.好的，當然可以。Noproblem.沒問題。Withpleasure.樂意幫忙。Sure/Ofcourse/Certainly.當然可以。否定回答Sorry,Ican't.Ihaveto...對不起，我不能。我得...Sorry,I'mgoingto...對不起，我將...I'mafraidIcan't.Ihaveto...恐怕不行。我得...I'mafraidnot.恐怕不行。grammar考向1

用于提出要求或請求

Can/Couldyouplease..?“請你···好嗎？”/“你能/可以···嗎？”，用于提出要求或請求。

e.g.—Canyoupleaselendmeyourbike?請把你的自行車借給我好嗎？

—Sure/Ofcourse/Certainly.當然可以?！狢ouldyoupleasegohikingwithmetomorrow?

請你明天和我一起去遠足好嗎?—Sorry,Ican't.Ihavetoprepareforacompetition.

對不起，我不能。我得準備一個比賽。

練習：—Canyougooutwithustonight?—I'dloveto,butI______.Ihavetofinishmywork.A.can'tB.mustn'tC.needn'tD.shouldn'tAgrammar考向2

用于請求許可

Can/CouldI...,?“我能···嗎？”，用于請求對方允許自己做某事。常用的答語有：

肯定回答Yes,youcan.是的,你可以。Ofcourseyoucan.當然可以。Yes,please.是的，去吧/用吧/......否定回答Sorry,youcan't.對不起，你不可以。Sorry,I'mafraidyoucan't.對不起，恐怕不行。grammar考向2

用于請求許可

Can/CouldI...,?“我能···嗎？”，用于請求對方允許自己做某事。e.g.—CouldIhavealookatyournewwatch?我能看一下你的新手表嗎？

—Ofcourseyoucan.Hereyouare.當然可以。給你?！狹um,couldIgooutforawhile?媽媽，我能出去一會兒嗎？

—I'mafraidyoucan't.Youhavetowashyourclothesfirst.

恐怕不能。你得先把你的衣服洗了。

練習：(北京中考改編)—Sam,______Ijoinyouinthecommunityservice?—Ofcourseyoucan.A.couldB.mustC.shouldD.needA

特別提醒:

表示提出請求或請求許可（即請求別人允許自己做某事）時，

could和can都可以用，但could語氣更委婉。

e.g.Could/CanIcomein?我可以進來嗎？

但回應(yīng)許可時，只能用can,而不用could(此時的could只表示委婉語氣，不表示過去式，故用can回答。當表示過去的能力時，才可用could回答)。e.g.—CouldIuseyourpen?我可以用你的鋼筆嗎？—Ofcourseyoucan.當然可以。(此處不能用could)

練習：—Simon,couldyougotoHuatingLakewithmetomorrow?—Sorry,I________.Ihavetotakecareofmysickbrotherathome.A.won’tB.mustn’tC.can’tD.couldn’tCgrammar考向3

用于表示能力

表示現(xiàn)在的能力用can,表示過去的能力用could。此時could是can的過去式。e.g.Mysistercanswim.我妹妹會游泳。Hecouldn'tanswerthequestionatthattime.

他當時不能回答那個問題。

練習：—______ItakemycousinShirleywithus,Mr.Wu？—Yes,butwe’llgettherebybike.______sherideabike?—Yes,andshe______rideabikewhenshewasonlysixyearsold.A.Could;can;couldB.Can;can;canC.Can;could;couldD.Could;could;canA1.—______youremindSallynottowearherschooluniformforthepicnictomorrow?—OK.I'lltellher.A.MustB.ShouldC.CanD.Need2.—Couldyoupleasehelpmewithmyhomework?—Yes,I______.A.mustB.couldC.needD.can3.—Helen,couldyoupleasewatertheflowersinmygarden?—______.Theyaresolovely.A.That'stoobadB.WithpleasureC.You'rewelcomeD.I'mafraidnot闖關(guān)練習一：單項選擇。CDB4.—Mum,______Igoshoppingwithyou?—Yes,you______.Butyouhavetofinishyourhomeworkfirst.A.could;canB.could;couldC.must;canD.must;could5.—Bill,______Iuseyourruler?—Ofcourseyoucan.Hereyouare.A.canB.mustC.needD.should6.(撫順中考)Thelovelyboy______ridethebikeattheageofsix.A.mustB.couldC.needD.should闖關(guān)練習一：單項選擇。AAB1.Couldyoupleasegoshoppingwithme?(作肯定回答)_________________.2.Tomwasabletoswimattheageoffive.(同義句轉(zhuǎn)換)Tom________________attheageoffive.3.Iwanttouseyourbike.(改為委婉語氣)________________________yourbike?4.Couldyoupleasesweepthefloor?(改為否定句)________you______________________thefloor?5.CouldIborrowtheEnglishnovel?(作否定回答)________,________________.Ihavenotreadit.闖關(guān)練習二：按要求完成句子，每空一詞。Ofcourse/Noproblem./Withpleasure.couldswimCouldIuseCouldpleasenotsweepSorryyoucan’t1.星期五你能幫忙喂魚嗎？________you________________thefishonFriday?2.—我們可以在這里拍照嗎？—對不起，不能?！狢ouldwetakephotoshere?—Sorry,________________.3.—今晚我可以去看電影嗎？—你可以。—________________gotothemoviestonight?—________,________________.4.我可以邀請我的朋友們來參加派對嗎？________________________myfriends________theparty?5.請你不要吃它們好嗎？Couldyouplease________________________?闖關(guān)練習三：翻譯句子，每空一詞。Can/Couldpleasefeedyoucan’tCan/CouldIYesyoucanCan/CouldIinvitetonoteatthem3bChoosethebestquestiontocompleteeachconversation.A.Couldyougivemearidetotownnow?B.CanIstayoutuntileleven?C.MrLake,canIuseyourtoilet?D.CouldIuseyourcomputer?1.A:_____________________________________B:Ofcourseyoucan.Letmeshowyoutheway.2.A:_____________________________________B:Yes,ifyouarecarefulwithit.givesb.aride送某人一程;讓某人搭便車stayout呆在外面useyourtoilet

用你的廁所Cbecarefulwith注意;當心/?n't?l/

prep.到...時;直到...為止Dbecarefulwith注意;當心同義短語：becarefulof/about當心;留意showsb.theway

給某人帶路;給某人指路A.Couldyougivemearidetotownnow?B.CanIstayoutuntileleven?C.MrLake,canIuseyourtoilet?D.CouldIuseyourcomputer?3.A:_____________________________________B:No,youcan’t.Youhaveabasketballgametomorrow,remember?Youneedagoodrest.Bhaveabasketballgame有一場籃球賽needagoodrest需要好好休息（havearest

休息一下）3bChoosethebestquestiontocompleteeachconversation.A.Couldyougivemearidetotownnow?B.CanIstayoutuntileleven?C.MrLake,canIuseyourtoilet?D.CouldIuseyourcomputer?4.A:CanIgotothemovies?B:Ofcourse.A:___________________________________B:Ican’t.Ihavetodosomeworknow./'mu?vi/

n.電影gotothemovies

去看電影Ahaveto不得不dosomework

干活ofcourse當然，相當于sure或certainly，通常在對話中用作肯定回答。3bChoosethebestquestiontocompleteeachconversation.A.Couldyougivemearidetotownnow?B.CanIstayoutuntileleven?C.MrLake,canIuseyourtoilet?D.CouldIuseyourcomputer?我能在外面待到11點嗎？1.until

prep.到......時；直到......為止

【介詞】到······時；直到······為止

not...until...“直到......才......”，常與非延續(xù)性動詞連用，表示動作直到until所表示的時間才發(fā)生。e.g.Theydidn'thaveacaruntillastyear.他們直到去年才有一輛汽車。拓展：【連詞】到······時；直到······為止

（引導時間狀語從句）e.g.Youwillnevertrulyunderstandyourparents'greatloveuntilyougrowup.直到你長大后，你才會真正理解父母偉大的愛。(2024瀘州中考)練習：Mr.Peter______gotobed______hefinishedhisworklastnight.A.wasn’t;untilB.don’t;untilC.didn’t;untilD.isn’t;untilCLanguagepoints3b2.A:_____________________________________B:Yes,ifyouarecarefulwithit.如果你小心使用的話，可以。2.(1)becarefulwith

注意；當心e.g.Becarefulwiththeknifewhilecooking,anddon'tcutyourfingers.

做飯時小心用刀，不要切傷手指。(2024自貢中考)拓展：(1)becareful(not)todosth.“小心(不要)做某事”。e.g.Becarefulnottowakethebaby.注意別吵醒嬰兒。(2)becareful可單獨使用，表示“小心，當心”，

相當于lookout或watchout。e.g.Becareful—thefloorisslippery.小心——地板很滑。

練習：當你切碎西紅柿時，當心你的手指。Whenyoucutupthetomatoes,please________________yourfingers.becarefulwithLanguagepoints3b2.A:_____________________________________B:Yes,ifyouarecarefulwithit.2.

(2)if引導條件狀語從句

第一條件句(遵循主將從現(xiàn)原則)?：

?結(jié)構(gòu)?：If+一般現(xiàn)在時，主句使用will+動詞原形(一般將來時)。?用途?：表達未來可能實現(xiàn)的假設(shè)。?e.g.Ifitrainstomorrow,wewillcancelthepicnic.

如果明天下雨，我們將取消野餐。??Ifyouarecarefulwithmycomputer,Iwilllendittoyou.

如果你小心使用我的電腦，我就借給你。

練習：Ifit_________(rain),I

__________(take)anumbrella.rainswill

takeLanguagepoints3b1.Lily:CouldIstayatyourhomeuntil9pm?AuntLi:______A.Yes,butcallyourmom.B.No,youcan'twatchTV.2.Sam:Canyouhelpmecleantheclassroom?Jack:______A.Sure,noproblem.B.Yes,youcan.3.Jim:CouldIuseyourlaptop?Tom:______A.Yes,ifyou’re

carefulwith

it.B.Ofcourseyoucan’t.4.Lucy:Canwestayhereuntilsunset?Mrs.White:______A.Yes,ifyouaretired.B.Sorry,thelibraryclosesat6.

PracticeAAAB3cMakeupconversationsforeachsetting,usingcanorcould.1.Youareatyourfriend’shome.Youwanttocallyourparents,butyourphoneisdead.

A:Can/CouldIuseyourphone?

B:Sure./Ofcourse./ded/

adj.不運行的;死的3cMakeupconversationsforeachsetting,usingcanorcould.2.Youweresickathomeyesterday.YourfriendwenttoanEnglishclassandtooknotes.Youwanttoknowmoreabouttheclass.______________________________________________________________________________________________A:Can/Couldyoutellmesomethingaboutyesterday’sEnglishclass?B:Sure./Ofcourse.takenotes

做筆記note/n??t/n.

筆記;便條

v.注意knowabout知道;了解3cMakeupconversationsforeachsetting,usingcanorcould.3.Youareholdingalargebox.Itisdifficulttoopenthedoor.Yourneighbourcomes.______________________________________________________________________________________________A:Can/Couldyouhelpmeopenthedoor?B:Sure./Ofcourse.It’s+adj.+todo

sth.做某事是……的

it是形式主語，真正的主語是后面的動詞不定式短語。Itisdifficulttoopenthedoor.難以開門holdalargebox抱著一個大箱子3cMakeupconversationsforeachsetting,usingcanorcould.4.Youandyourclassmateswanttohelpcleanupthe

community.Askyourclassmatestobringglovesandrubbishbags._______________________________________________

_______________________________________________A:Can/Couldyoubringglovesandrubbishbagetocleanupthecommunity?B:Sure./Ofcourse./Noproblem.cleanup清掃/k?'mju?n?ti/

n.社區(qū);社團/'r?b??/

n.垃圾rubbishbag垃圾袋rubbishbin垃圾桶takeouttherubbish倒垃圾你想給你的父母打電話，但你的電話沒電了。1.Youareatyourfriend’shome.Youwanttocallyourparents,butyourphoneisdead.

A:Can/CouldIuseyourphone?

B:Sure./Ofcourse.3.

dead

adj.不運行的；死的(1)【形容詞】（因為缺電）不運行的e.g.Myphonewentdead,soIneedtochargeit.

我的手機沒電了,所以我需要給它充電。(2)【形容詞】死的

在句中作定語或表語。thedead死者e.g.Thereweredeadleavesonthegroundafterthestrongwind.

大風過后枯葉落了一地。I'mafraidheisdead.恐怕他已經(jīng)去世了。

注意：表示“死了多長時間”要用“have/hasbeendeadfor+時間段”

或“died+時間段+ago”。e.g.Thepoormanhasbeendeadfortenyears.那個可憐的人已經(jīng)去世十年了。Hediedaweekago.他一個星期前就去世了。Languagepoints3c你想給你的父母打電話，但你的電話沒電了。1.Youareatyourfriend’shome.Youwanttocallyourparents,butyourphoneisdead.

A:Can/CouldIuseyourphone?

B:Sure./Ofcourse.3.

與

dead相關(guān)的其他單詞：die【不及物動詞】死亡

過去式：died,

現(xiàn)在分詞：dying。

是短暫性動詞，不能與時間段連用。dieof/from“死于”death【名詞】死亡dying【形容詞】垂死的；臨死的

只能作前置定語。

練習：Hisdog________lastweekandhis________madehimverysad.A.died;dieB.death;diedC.died;deathD.dead;deathCLanguagepoints3c你的朋友去上英語課了并做了筆記。2.Youweresickathomeyesterday.YourfriendwenttoanEnglishclassandtooknotes.Youwanttoknowmoreabouttheclass._______________________________________________

_______________________________________________4.

note

n.筆記;記錄;便條

v.

注意；指出(1)【可數(shù)名詞】筆記；記錄

指“（聽講或讀書等時的）筆記，記錄”時，通常用復(fù)數(shù)形式notes。

take/makenotes記筆記e.g.Takingnotesinclassisagoodwaytohelpyoureviewwhatyouhavelearned.

課堂上做筆記是幫助你復(fù)習所學知識的好方法。（眉山中考）(2)【可數(shù)名詞】便條；短箋e.g.Shealwayswriteslovenotesasgiftstowarmothers.

她總是寫愛心便條作為禮物溫暖他人。

Languagepoints3c你的朋友去上英語課了并做了筆記。2.Youweresickathomeyesterday.YourfriendwenttoanEnglishclassandtooknotes.Youwanttoknowmoreabouttheclass._______________________________________________

_______________________________________________4.

note

n.筆記;記錄;便條

v.

注意；指出(3)【及物動詞】注意；指出

其后可跟名詞、代詞或that從句。e.g.Henotedthetimewhentheyleftthebuilding.

他們離開大樓的時候，他留意了一下時間。Theteachernotedthattheexamwasveryimportant.

老師指出這場考試非常重要。

練習：John習慣考試前瀏覽筆記。Johnisusedtolookingthrough________beforeanexam.

高老師每節(jié)課都要求我們在筆記本上記筆記。MissGaoasksusto___________inthenotebookeveryclass.notestakenotesLanguagepoints3c你和你的同學們想幫忙打掃社區(qū)。4.Youandyourclassmateswanttohelpcleanupthecommunity.Askyourclassmatestobringglovesandrubbishbags._______________________________________________

_______________________________________________5.

cleanup

清掃

為“動詞+副詞”型短語。

cleanup+名詞=clean+名詞+up

clean+代詞+up(代詞只能放中間)e.g.Wevolunteeredtocleanupourcitypark.我們自愿打掃我們的城市公園。=Wevolunteeredto_______________________.(2024云南中考)e.g.Theroomistoodirty,Please___________________.

房間太臟了,請把它打掃干凈。

拓展：clean-up【名詞】清掃；清除e.g.Mykidshelpedmedoabigclean-upyeaterday.

昨天我的孩子們幫我大掃除。cleanourcityparkupcleanitupLanguagepoints3c讓你的同學們帶手套和垃圾袋。4.Youandyourclassmateswanttohelpcleanupthecommunity.

Askyourclassmatestobringglovesandrubbishbags._______________________________________________

_______________________________________________6.

rubbish

n.垃圾

【不可數(shù)名詞】同義詞有：waste、trash、garbage、litter等。

arubbishbag/bin垃圾袋/桶

householdrubbish生活垃圾

takeouttherubbish倒垃圾

rubbishsorting垃圾分類e.gDon’tthrowawayrubbisheverywhere.It’severyone’sdutytoprotecttheenvironment.

不要把垃圾丟得遍地都是。保護環(huán)境是每個人的職責。(2024龍東中考)Pleaseputthebananapeelsintotherubbishbin.請把香蕉皮放進垃圾桶。

練習：海灘上很多垃圾，我們最好撿一撿。Thereisalotof________onthebeach,we’dbetterpickitup.rubbishLanguagepoints3cA:Hi,Jim.________________________________receivethedeliveryifitarrivestoday?B:_____________.Justletmeknowthetrackingnumber(運單號)ifneeded.場景1：請鄰居幫忙收快遞1.Youcan’tbeathomewhenthedeliverycomes.Youwanttoaskyourneighbortohelpreceiveit.

（快遞送達時你沒在家，想請鄰居幫忙代收

。）NoproblemCouldyouhelpmePracticeA:Hey,__________________________________________meintheparkthisafternoon?B:__________!Ijustneedtofinishmyhomeworkfirst.Thenwecanhaveagoodgame.2.Youplantoplaybasketballinthepark.Youwanttoaskyourfriendtojoinyou.SurecanyouplaybasketballwithPractice場景2：邀請朋友一起運動1.Myphoneis__________(die).CouldIborrowyourpowerbank?2.Thereareaboutfivehundred____________(community)inourcity.3.Leoalwaystakes__________(note)carefullyinEnglishclas