Unit+13+Section+A+Grammar+Focus-4c+課件 【 備課精研+高效課堂 】 人教版九年級(jí)英語(yǔ)全冊(cè)

Unit13Wearetryingtosavetheearth.SectionAGrammarFocus-4cRevision1.不同種類(lèi)的污染2.河底3.把垃圾扔到河里4.在……中起作用5.在中國(guó)南部6.對(duì)……有害7.在……頂部8.海洋生態(tài)系統(tǒng)differentkindsofpollutionthebottomoftheriverthrowrubbishintotheriverplayapartininsouthernChinabeharmfultoatthetopof…theocean’secosystemCheckifyouknowthesephrases.Payattentiontothesentences.1.We’re

tryingtosavetheearth.2.Theriverusedtobesoclean.3.Theairisbadlypolluted.4.Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.5.Weshouldhelpsavethesharks.PresentprogressiveusedtoPassivevoicePresentperfectGrammarFocusModalverbsTheyareplayingbasketball.Nancyisworkingonanewbookaboutstoriesinschools.Whyareyoualways

cominglateforclass?正在發(fā)生目前一段時(shí)間內(nèi)正在進(jìn)行含說(shuō)話(huà)者的強(qiáng)烈情感現(xiàn)在進(jìn)行時(shí)現(xiàn)在進(jìn)行時(shí):Presentprogressive結(jié)構(gòu):be(am/is/are)+v.-ing標(biāo)志詞：Look,Listen,now,rightnow…e.g.

Look!Theboyiscrying.定義:表示說(shuō)話(huà)時(shí)(瞬間)正在進(jìn)行的動(dòng)作,也表示目前或現(xiàn)階段正在進(jìn)行的動(dòng)作?；蛘f(shuō)話(huà)者的強(qiáng)烈情感。usedtodosth.表示過(guò)去常常做某事,而現(xiàn)在往往不了,后接動(dòng)詞原形。beusedtodoingsth.

表示習(xí)慣于做某事e.g.Iusedtogetupatsixo’clock.Joeisusedtodrinkingacupofcoffeeeverymorning.usedtodo與beusedtodoingMygrandfatherbuiltthishousein1930.Thishousewasbuilt(bymygrandfather)in1930.Passivevoicebe+V-ed主謂賓主動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的執(zhí)行者,被動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的承受者。被動(dòng)語(yǔ)態(tài)：Passivevoice定義：表示主語(yǔ)是動(dòng)作的承受者，即行為動(dòng)作的對(duì)象的一種語(yǔ)態(tài)。結(jié)構(gòu)：be+過(guò)去分詞e.g.Anewschoolwasbuiltlastyear.Ourclassroomiscleanedeveryday.ThefirstsectionofNewCollegeEnglishisdesignedforspeakingpracticeand

isbasedonpicturesandtopics.

Thesecomputers

weremade

inourowncountrylastyear.Shallwe

beasked

toattendtheopeningceremony?

①一般現(xiàn)在時(shí)的被動(dòng)語(yǔ)態(tài)：am/is/are+V-ed

②一般過(guò)去時(shí)的被動(dòng)語(yǔ)態(tài)：was/were+V-ed③一般將來(lái)時(shí)的被動(dòng)語(yǔ)態(tài)：will/shall+be+V-ed1)Thedish

tastes

delicious.

2)Thetheory

proved

rightatlast.3)Thebookissointerestingthatit

sellswell.4)Thepenwriteswell.不可以變成被動(dòng)語(yǔ)態(tài)的情況我的車(chē)需要修理。

Mycarneedsrepairing.

(=toberepaired).3.通常只有及物動(dòng)詞（組）才有被動(dòng)語(yǔ)態(tài),不及物動(dòng)詞沒(méi)有。戰(zhàn)爭(zhēng)爆發(fā)了。Thewarbrokeout.但不能說(shuō)：Thewarwasbrokenout.2.need做實(shí)意動(dòng)詞時(shí)，need+V-ing主動(dòng)形式表示被動(dòng)意義。1.某些感官動(dòng)詞加形容詞及少數(shù)其他的動(dòng)詞與一些副詞連用表示被動(dòng)意義。smell,taste,prove,sell,etc.Lily,cleanyourteethplease.Mum,Ihave

already

cleanedthem.futurepresentpastcleanedteeth現(xiàn)在完成時(shí)表示動(dòng)作發(fā)生在過(guò)去，并對(duì)現(xiàn)在有影響。結(jié)構(gòu):has/have+過(guò)去分詞標(biāo)志詞：already,yet,ever,never,since,for…e.g.Ihaven’tfinishedmyhomeworkyet.定義：表示動(dòng)作已經(jīng)完成,但對(duì)現(xiàn)在造成影響;或者表示從過(guò)去某一時(shí)間開(kāi)始一直延續(xù)到現(xiàn)在并還可能持續(xù)下去的動(dòng)作。

現(xiàn)在完成時(shí):Presentperfect4aFillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_____youever______(take)partinanenvironmentalproject?Eric:Yes,Ihave.I______(help)withaClean-UpDaylastyear.Itwas__________(consider)thebiggestclean-upprojectthiscity____ever____(have).Joe:Howmanypeople____(take)part?Eric:I_____(think)morethan1,000people______(come)tohelpout.Joe:That’sfantastic!Iguesseveryoneinthiscityis______(try)toimprovetheenvironment.Eric:Yes,wecan’taffordto____(wait)anylongertotakeaction!Havetakenhelpedconsideredhadhadtookthinkcametryingwait4bFillintheblankswiththeappropriatemodalverbsfromthebox.People__________thinkthatbigthings_____________bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you________________saveelectricitybyturningoffthelightswhenyouleavearoom.You________________alsousereusablebagsinsteadofplasticbags.Ithinkit’sagreatideathatyounow______payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you________________rideyourbikeorwalk.Ifit’sfar,you_________takethebus.Allthesesmallthings__________addupandbecomebigthingsthat_______________improvetheenvironment.Let’stakeactionnow!may/mightmust/havetocanwouldcouldhavetoshouldmustmay/mightcan/could/shouldcould/can/shouldhavetocan/should/couldcan/couldcan/couldwould/can/couldWhatafinedaytoday!Look!Whataretheydoing?Exercise1.Paul,I’mbusycooking.Canyougivemeahand?—Justaminute.I___mye-mail.A.amchecking

B.willcheck

C.havechecked

D.waschecking

2.Don’ttakethedictionaryaway,I_____it.A.use

B.used

C.amusing

D.haveused

ACTranslation.1.她過(guò)去常常周末和朋友閑逛。

Sheusedtohangoutwithfriendsonweekends.2.他習(xí)慣晚睡。

Heisusedtostayingup.ExerciseTranslatethesentencesbyusingPassivevoice.1.剛才一些老年人參觀了博物館。2.工人們使用不同種類(lèi)的機(jī)器工作。Themuseumwasvisitedbysomeoldpeoplejustnow.Differentkindsofmachinesareusedtoworkbytheworkers.ExerciseThemobilephone______in1973.

A.invents

B.isinvented

C.invented

D.wasinvented

D2.Let’swaitandseewhetherbooks_____bytheInternetinthefuture.A.replace

B.replaced

C.willbereplaced

D.werereplacedC3.—Whyareyouleavingyourjob?—Ican’tstanditanylonger.I_____always_____toworkovertime.A.am;asking

B.am;asked

C.was;asking

D.was;askedBCompletethefollowingsentences.I_________(be)inBeijingfortwoyears.2.I_____never_____(hear)ofthatmanbefore.3.Tom__________(work)theresincetwoyearsago.havebeenhaveheardhasworkedExercise4.Thetwins___________(wash)theclothesforanhour.5.He_________(play)basketballsincethreeyearsago.6.Howlong____Sally_____(sing)yet?havewashedhasplayedhassung1.Lilyismyclassmate.We______eachothersinceshecametoourschool.

A.know

B.knew

C.haveknown

D.willknow

C2.I_____inthecitysinceIleftschool.A.live

B.willlive

C.wasliving

D.havelived

D3.Inthepastfewyears,manyschools______thewaysofdoingmorningexercises.A.change

B.changes

C.willchange

D.havechanged

D情態(tài)動(dòng)詞用來(lái)表示能力、應(yīng)該、請(qǐng)求等,后接動(dòng)詞原形。1.

情態(tài)動(dòng)詞本身有一定的詞義,表示說(shuō)話(huà)人的情緒、態(tài)度或語(yǔ)氣,但不能單獨(dú)作謂語(yǔ),只能與其他動(dòng)詞構(gòu)成謂語(yǔ)。常見(jiàn)的有:can(could),may(might),must,need,shall(should),will(would)等。情態(tài)動(dòng)詞2.

情態(tài)動(dòng)詞無(wú)人稱(chēng)和數(shù)的變化,后接動(dòng)詞原形。否定式是在情態(tài)動(dòng)詞后面加not。個(gè)別情態(tài)動(dòng)詞有過(guò)去式形式,可用來(lái)表達(dá)更加客氣、委婉的語(yǔ)氣。

e.g.Kencanclimbupthetresslikeakoala.Tracycouldrideabicyclewhenshewasfiveyearsold.Youmustn’tplaywithfire.Itisdangerous.Translation.1.我們不能在教室里吃東西。2.首先你必須完成作業(yè)。3.他現(xiàn)在不可能在家。4.她一定知道這個(gè)問(wèn)題的答案。ExerciseWecan’teatintheclassroom.

Youmustfinishyourhomeworkfirst.Hecan’tbeathomenow.

Shemustknowtheanswertothisquestion.1.—_____Iparkmycarhereforawhile?—No,youmustn’t.Doyouseethesign“NOPARKING”?

A.Would

B.May

C.Must

D.Should

B2.—MayItakethedogwithme,sir?—______.Petsarenotallowedtoenterthehall.A.Yes,youmay

B.No,youmustn’tC.Yes,youcanD.No,youneedn’t

B3.—Idon’tcarewhatpeoplethink.—Well,you_____.You’renotaloneinthisworld.

A.can

B.may

C.should

D.willC4.Ihavetraveledalot.I_____speakfourlanguages.

A.can

B.may

C.must

D.needA4cMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.usepublictransportation(n.交通運(yùn)輸);turnoffthelightswhenyouleavearoom;usereusablebagsinsteadofplasticbags;rideyourbikeorwalktoschoolorwork;stopusingpapernapkins(n.餐巾紙);recyclebooksandpaper…DiscussionIthinkthateveryoneshouldusepublictransportation.Idisagree.It’sdifficultforparentswithyoungchildrentousepublictransportation…1.Wecan’tafford

towaitanylongertotakeaction!

affordv.

承擔(dān)得起;買(mǎi)得起；提供,給予常與can,beableto連用

affordsth.

買(mǎi)得起/承受得起某物

affordtodosth.

有能力做某事/負(fù)擔(dān)得起做某事e.g.Canyouaffordthemobilephone?Wecan’tafford

topaysuchaprice.afford&buyafford側(cè)重“有經(jīng)濟(jì)能力買(mǎi)”，而buy則側(cè)重“購(gòu)買(mǎi)(這一行為)”。表示“我買(mǎi)不起……”可以說(shuō)Ican’tafford...，但不能說(shuō)Ican’tbuy...。用afford或buy的適當(dāng)形式填空。1)Theycan’t_______tosendtheirchildrentocollege.2)Canyou_______anewcar?3)Helen_______somefruitonherwayhomeyesterday.affordaffordbuy2.…saveelectricitybyturningoffthelightswhenyouleavearoom.

turnoff關(guān)掉

e.g.睡覺(jué)前請(qǐng)關(guān)掉電視。(翻譯)Please

turn

thetelevisionoff

beforeyougotobed.turnon

打開(kāi),發(fā)動(dòng)turnaround

轉(zhuǎn)身turnup

調(diào)高(音量)turndown

調(diào)低;拒絕turninto

變成;進(jìn)入turnover

移交拓展:turn相關(guān)短語(yǔ)六種時(shí)態(tài)時(shí)態(tài)一般現(xiàn)在時(shí)一般過(guò)去時(shí)現(xiàn)在進(jìn)行時(shí)過(guò)去進(jìn)行時(shí)一般將來(lái)時(shí)現(xiàn)在完成時(shí)用法表示經(jīng)常性發(fā)生的動(dòng)作、習(xí)慣性動(dòng)作或客觀真理、科學(xué)事實(shí)等。表示過(guò)去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài)。表示現(xiàn)在或現(xiàn)階段正在進(jìn)行或發(fā)生的動(dòng)作。表示過(guò)去某時(shí)正在進(jìn)行的動(dòng)作或存在的狀態(tài)。表示將來(lái)某個(gè)時(shí)間要發(fā)生的動(dòng)作或存在的狀態(tài)。表示過(guò)去發(fā)生或者未發(fā)生的事對(duì)現(xiàn)在造成的影響或結(jié)果。構(gòu)成方式1.動(dòng)詞be(am/is/are)+表語(yǔ)