Unit 3 Language in use Module 4 Rules and suggestions初中英語課件

Unit3LanguageinuseModule4Module4

Rulesandsuggestions目錄語法聚焦01課堂小測02語法聚焦情態(tài)動詞一、定義：情態(tài)動詞沒有人稱和數(shù)的變化,但有一定的意義;不能單獨使用,必須與動詞原形一起構成謂語;表示說話者的態(tài)度、情感以及對某一行為或狀態(tài)的看法或態(tài)度。二、情態(tài)動詞的用法歸納情態(tài)動詞用法舉例can表示具有某種能力,意思是“能,會”,與beableto的意義基本相同,但can只用于一般現(xiàn)在時和一般過去時,而beableto能用于多種時態(tài)Icanswim.我會游泳。Canyou/Willyoubeabletoworkoutthedifficultmathsproblem?你能解答出這道數(shù)學難題嗎?can表示可能性,意為“可能,可以”Ithinkwecanfindthewaytothemuseum.我認為我們可以找到去博物館的路。表示許可,意為“可以”,相當于mayCan/MayIcomein?我可以進來嗎?Youcan/mayleavenow.你現(xiàn)在可以離開了。cancan的過去式是could。could常代替can來委婉地向?qū)Ψ教岢稣埱蠡蛘弑硎究捶?是一種有禮貌的說法,此時could不表示過去時態(tài)—Couldyouhelpme?你能幫我個忙嗎?—Yes,Ican.是的,我能。may用來征求對方的許可,意思是“允許,可以”(此時答語比較靈活)—MayIaskyouaquestion?我可以問你個問題嗎?—Sure./Yes,please.當然可以。/可以,請說。may表示說話人的猜測和對事實可能性的判斷,意為“可能,也許”Hemayknowmytelephonenumber.他有可能知道我的電話號碼。在祈使句中,表示祝愿、希望等Mayyoubehappyeveryday!祝你天天快樂!must表示說話人的主觀意志,意為“一定,必須”,沒有人稱和數(shù)的變化,其否定答語通常用needn't或don'thaveto,意為“不必”—MustIgohomenow?我必須現(xiàn)在回家嗎?—Yes,youmust./No,youneedn't/don'thaveto.是的,你必須。/不,你不必。mustmust的否定形式為mustnot/mustn't,意為“不許(做某事),一定不要”,表示命令、禁止、告誡Youmustn'tbelateforclass.你上課不許遲到。注意：對事情的肯定猜測用must,否定猜測用can'tHemustbeatworknow.他現(xiàn)在一定在工作。Hecan'tbeathome.他不可能在家。need注意：在need引起的一般疑問句中,用must作肯定回答,用needn't作否定回答—Needshewatertheflowers?她需要澆花嗎?—Yes,shemust./No,sheneedn't.是的,她必須澆。/不,她不需要澆。couldcould既是can的過去式,本身也是情態(tài)動詞,語氣較為委婉Couldyoupleasetakeoutthetrash?你能把垃圾倒了嗎?shall用于表示建議、邀請或征求對方的意見時,語氣較為委婉,多和第一人稱搭配Shallwegocampingthisafternoon?今天下午我們?nèi)ヒ盃I好嗎?should表示應該、義務,意為“應該”,否定形式是shouldn’t,意為“不應該”Youshouldaskyourparentsforhelp.你應該向你的父母求助。shall用于表示建議、邀請或征求對方的意見時,語氣較為委婉,多和第一人稱搭配Shallwegocampingthisafternoon?今天下午我們?nèi)ヒ盃I好嗎?haveto強調(diào)受客觀原因所迫而不得不做某事。主語是第三人稱單數(shù)時,要用hasto。haveto變否定或疑問句時要借助助動詞do的相應形式Shehastostayathomeandlookafterhersickmother.她不得不待在家里,照顧她生病的媽媽。Doyouhavetogo?你非得走嗎?hadbetter后跟動詞原形。hadbetterdosth.意為“最好做某事”；否定結構是hadbetternotdosth.You'dbettertaketheadvice.你最好接受這個建議。課堂小測一、根據(jù)句意及首字母提示，用適當?shù)那閼B(tài)動詞填空，每空一詞1.Ifyouwanttogoswimming,rememberyou_____gowithanadult(成年人).2.—____Iparkmycarhereforashortwhile?—Sorry,it'snotallowedtoparkhere.mustMay3.You______careaboutwhatpeoplethink.Anyway,you'renotaloneinthisworld.4.Idon'tthinkI____eatupallthefood.I'malreadyfullnow.5.—____wegetourjobdonetonight?—Yes,youmust.shouldcanNeed二、找出下列句子的錯誤，并在橫線上進行更正6.Themanisfeelingmuchbetternow,soyoumustn'tcalladoctor.________________________________________7.IamnotsurewhatIwilldonextweek.Imustworkinanoldpeople'shome.________________________________________mustn’t改為needn’tmust改為may8.It'shalfpasttwo.Ithinkwehadbetternottostayinbed.________________________________________9.Someteachersinthisschoolmustliveoutbecausethere'renotenoughdormitories.________________________________________hadbetternotto改為hadbetternotmust改為haveto10.Someonecan’tbeathomebecausethelightinthehouseisstillon.________________________________________can’t改為must三、單項填空（語法專練）（）11.—MustIfinishtheworktonight?—No,you.Butyoufinishittomorrow.A.can’t;needB.mustn’t;mayC.needn’t;mustD.mustn’t;canC（）12.—IsthemanoverthereMrBrown?—Ithim.HehasgonetoBrazil.A.maynot

B.can'tbe

C.shouldn't

D.mustn'tB（）13.—Iknowbywhattimeyouwanttheprojecttobedone?—Bythedayaftertomorrow.youfinishitontime?A.May;Can

B.Must;NeedC.Could;Must

D.Need;WouldA（）14.—Couldyoupleasegotothecinemawithmethisafternoon?—Sorry,I_____.I_____takeapianolessonat2pm.A.couldn’t;haveto

B.can’t;wouldC.can’t;haveto

D.couldn’t;willC（）15.Pleaseturnoffyourcomputernow!

Youplayonittoolong.A.couldn’t B.mustn’t C.wouldn’t D.needn’tB四、語法選擇（核心素養(yǎng)：語言能力）

Accordingtoanewsurvey,students'safetyhasbecomeabigproblem.Manystudentsareinjuredor__16__indifferentkindsofaccidents.Hereissomeadviceforyoungstudents__17__howtodealwithdanger.

Ifyouarerobbed(被搶劫),keepcalm.Ifyoucannotcryforhelporrunaway,givetherobber(強盜)yourmoney.Trytoremember__18__andtellthepolicelater.Supposeyouarein__19__trafficaccident.Ifacar__20__you,youshouldrememberthecarnumber.Ifitisabicycle,trytocallyourparentsbeforeyoulettheridergo.Thisis__21__youdon'tknowhowseriouslyyouarehurt.Ifitisraining__22__andthereislightning,__23__inhighplacesandstayawayfromtrees.Whenthereisafireinabuilding,getawayasfastasyou__24__.Putwetthingsonyourbodyandtrytofindanexit(出口).Don'ttakethelift.Ifsomeoneisdrowning(溺水)andyou__25__swim,don'tgetintothewater.Tryyourbesttoaskforhelp.Rememberthatdangerisneverasfarawayasyouthink.Takecareofyourselfatalltimes!

(

)16.A.kill

B.killed

C.kills

D.killing

(

)17.A.with

B.in

C.on

D.at

(

)18.A.howdoestherobberlooklike

B.whoistherobberlike

C.whatdoestherobberlooklike

D.whattherobberlookslike

(

)19.A.a

B.an

C.the

D./BCDA

(

)20.A.hit