人教版新目標(biāo)英語九年級全冊Unit-13第三課時Section-A-3課件

Unit13Unit13We'retryingtosavetheearth!SectionA3GrammarFocus-4cRevision

不同種類的污染2.河底3.把垃圾扔到河里4.在……中起作用differentkindsofpollutionthebottomoftheriverthrowrubbishintotheriverplayapartinI.Checkifyouknowthesephrases.5.在中國南部6.對……有害7.在……頂部8.海洋生態(tài)系統(tǒng)insouthernChinabeharmfulto

atthetopof…theocean’secosystemII.Translation.1.這個方法不僅殘酷還對環(huán)境有害。Thismethodisnotonlycruel,butalsoharmfultotheenvironment.3.鯊魚處于海洋食物鏈的頂部。4.許多人相信魚翅對健康有好處。Sharksareatthetopofthefoodchainintheocean’secosystem.Alotofpeoplebelievethatshark’sfinsaregoodforhealth.LearningobjectiveToreviewtheuseofThePresentContinuousTense,passivevoice,PresentPerfectandModalVerbs.Payattentiontothesentences.1.We’re

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

cominglateforclass?正在發(fā)生目前一段時間內(nèi)正在進行含說話者的強烈情感現(xiàn)在進行時現(xiàn)在進行時: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：表示說話時(瞬間)正在進行的動作,也表示目前或現(xiàn)階段正在進行的動作?；蛘f話者的強烈情感。Whatafinedaytoday!Look!Whataretheydoing?Exercise1.Paul,I’mbusycooking.Canyougivemeahand?—Justaminute.I______mye-mail.(2017河南)A.amchecking

B.willcheck

C.havechecked

D.waschecking

中考鏈接A2.Don’ttakethedictionaryaway,I_____it.(2017河北)A.use

B.used

C.amusing

D.haveused

Cusedtodosth.表示過去常常做某事,而現(xiàn)在往往不做了,后接動詞原形。beusedtodoingsth.

表示習(xí)慣于做某事e.g.Iusedtogetupatsixo’clock.Joeisusedtodrinkingacupofcoffeeeverymorning.usedtodo與beusedtodoingTranslation.1.她過去常常周末和朋友閑逛。

Sheusedtohangoutwithfriendsonweekends.2.他習(xí)慣晚睡。

Heisusedtostayingup.ExerciseMygrandfatherbuiltthishousein1930.Thishousewasbuilt(bymygrandfather)in1930.Passivevoicebe+V-ed主謂賓主動語態(tài)表示主語是動作的執(zhí)行者,被動語態(tài)表示主語是動作的承受者。被動語態(tài)：Passivevoice定義：表示主語是動作的承受者，即行為動作的對象的一種語態(tài)。結(jié)構(gòu)：be+過去分詞e.g.Anewschoolwasbuiltlastyear.

Ourclassroomiscleanedeveryday.ThefirstsectionofNewCollegeEnglishisdesignedforspeakingpracticeand

isbasedonpicturesandtopics.

Thesecomputers

weremade

inourowncountrylastyear.Shallwe

beasked

toattendtheopeningceremony?

①一般現(xiàn)在時的被動語態(tài)：am/is/are+V-ed

②一般過去時的被動語態(tài)：was/were+V-ed③一般將來時的被動語態(tài)：will/shall+be+V-ed1.某些感官動詞加形容詞及少數(shù)其他的動詞與一些副詞連用表示被動意義。

smell,taste,prove,sell,etc.1)Thedish

tastes

delicious.

2)Thetheory

proved

rightatlast.3)Thebookissointerestingthatit

sells

well.4)Thepenwriteswell.不可以變成被動語態(tài)的情況need做實意動詞時，need+V-ing

主動形式表示被動意義。我的車需要修理。

Mycarneedsrepairing.

(=toberepaired).戰(zhàn)爭爆發(fā)了。Thewarbrokeout.但不能說：Thewarwasbrokenout.3.通常只有及物動詞（組）才有被動語態(tài)，不及物動詞沒有。TranslatethesentencesbyusingPassivevoice.1.剛才一些老年人參觀了博物館。2.工人們使用不同種類的機器工作。Themuseumwasvisitedbysomeoldpeoplejustnow.Differentkindsofmachinesareusedtoworkbytheworkers.ExerciseThemobilephone______in1973.

(2017北京)A.invents

B.isinvented

C.invented

D.wasinvented

中考鏈接D2.Let’swaitandseewhetherbooks_____bytheInternetinthefuture.

(2017天津)A.replace

B.replaced

C.willbereplaced

D.werereplacedC3.—Whyareyouleavingyourjob?—Ican’tstanditanylonger.I_____always_____toworkovertime.(2017河南)A.am;asking

B.am;asked

C.was;asking

D.was;askedBLily,cleanyourteethplease.Mum,Ihave

already

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

現(xiàn)在完成時:PresentperfectCompletethefollowingsentences.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.

(2017北京)A.know

B.knew

C.haveknown

D.willknow

中考鏈接C2.I_____inthecitysinceIleftschool.

(2017天津)A.live

B.willlive

C.wasliving

D.havelived

D3.Inthepastfewyears,manyschools______thewaysofdoingmorningexercises.

(2017重慶)A.change

B.changes

C.willchange

D.havechanged

D情態(tài)動詞用來表示能力、應(yīng)該、請求等,后接動詞原形。1.

情態(tài)動詞本身有一定的詞義,表示說話人的情緒、態(tài)度或語氣,但不能單獨作謂語,只能與其他動詞構(gòu)成謂語。常見的有:can(could),may(might),must,need,shall(should),will(would)等。情態(tài)動詞2.

情態(tài)動詞無人稱和數(shù)的變化,后接動詞原形。否定式是在情態(tài)動詞后面加not。個別情態(tài)動詞有過去式形式,可用來表達更加客氣、委婉的語氣。

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.她一定知道這個問題的答案。ExerciseWecan’teatintheclassroom.

Youmustfinishyourhomeworkfirst.Hecan’tbeathomenow.

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

(2017上海)A.Would

B.May

C.Must

D.Should

中考鏈接B2.—MayItakethedogwithme,sir?—______.Petsarenotallowedtoenterthehall.(2017重慶)A.Yes,youmay

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

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

(2017河南)A.can

B.may

C.should

D.willC4.Ihavetraveledalot.I_____speakfourlanguages.

(2017河北)A.can

B.may

C.must

D.needA4aFillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:_____youever______(take)partinanenvironmentalproject?Eric:Yes,Ihave.I______(help)withaClean-UpDaylastyear.Itwas__________(consider)thebiggestclean-upprojectthiscity____ever____(have).Havetakenhelpedconsideredhadhad參加Joe:Howmanypeople____(take)part?Eric:I_____(think)morethan1,000people______(come)tohelpout.Joe:That’sfantastic!Iguesseveryoneinthiscityis______(try)toimprovetheenvironment.Eric:Yes,wecan’t

affordto____(wait)anylongertotakeaction!tookthinkcametryingwaitv.

承擔(dān)得起(后果);買得起4bFillintheblankswiththeappropriatemodalverbsfromthebox.People__________thinkthatbigthings_____________bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.may/mightmust/havetocanwouldcouldhavetoshouldmustmay/mightForexample,you____________________saveelectricitybyturningoffthelightswhenyouleavearoom.You________________alsousereusablebagsinsteadofplasticbags.

can/could/shouldcanwouldcouldhavetoshouldmustmay/mightcould/can/shouldreusableadj.可重復(fù)使用的Ithinkit’sagreatideathatyounow______payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you________________rideyourbikeorwalk.Ifit’sfar,you_________takethebus.havetopayfor

付費;付出代價can/should/couldcan/couldcanwouldcouldhavetoshouldmustmay/mightAllthese

smallthings__________addupandbecomebigthingsthat_______________improvetheenvironment.Let’stakeactionnow!can/couldwould/can/could采取行動canwouldcouldhavetoshouldmustmay/might4cMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.usepublictransportation(n.交通運輸);turnoffthelightswhenyouleavearoom;usereusablebagsinsteadofplasticbags;rideyourbikeorwalktoschoolorwork;stopusingpapernapkins(n.餐巾紙);recyclebooksandpaper…DiscussionIthinkthateveryoneshouldusepublictransportation.Idisagree.It’sdifficultforparentswithyoungchildrentousepublictransportation…1.Wecan’tafford

towaitanylongertotakeaction!

affordv.

承擔(dān)得起;買得起；提供,給予常與can,beableto連用

affordsth.

買得起/承受得起某物

affordtodosth.

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

topaysuchaprice.afford&buyafford側(cè)重“有經(jīng)濟能力買”，而buy則側(cè)重“購買(這一行為)”。表示“我買不起……”可以說Ican’tafford...，但不能說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.睡覺前請關(guān)掉電視。(翻譯)Please

turn

thetelevisionoff

beforeyougotobed.turnon

打開,發(fā)動turnaround

轉(zhuǎn)身turnup

調(diào)高(音量)turndown

調(diào)低;拒絕turninto

變成;進入turnover

移交拓展:turn相關(guān)短語六種時態(tài)時態(tài)一般現(xiàn)在時一般過去時現(xiàn)在進行時過去進行時一般將來時現(xiàn)在完成時用法表示經(jīng)常性發(fā)生的動作、習(xí)慣性動作或客觀真理、科學(xué)事實等。表示過去某個時間發(fā)生的動作或存在的狀態(tài)。表示現(xiàn)在或現(xiàn)階段正在進行或發(fā)生的動作。表示過去某時正在進行的動作或存在的狀態(tài)。表示將來某個時間要發(fā)生的動作或存在的狀態(tài)。表示過去發(fā)生或者未發(fā)生的事對現(xiàn)在造成的影響或結(jié)果。構(gòu)成方式1.動詞be(am/is/are)+表語…2.動詞原形+…(主語是第三人稱單數(shù)，動詞也用第三人稱單數(shù))1.動詞was/were+表語2.實義動詞的過去式+…be(am/is/are)+動詞的現(xiàn)在分詞was/were+動詞的現(xiàn)在分詞1.will/shall+動詞原形(shall用于第一人稱)2.begoingto+動詞原形主語+have/has+過去分詞+…句型變化疑問式1.Be+主語+…?2.Do/Does+主語+動詞原形+…?1.Was/Were+主語+…?2.Did+主語+動詞原形+…?Be+主語+動詞的現(xiàn)在分詞+…?Was/Were+主語+動詞的現(xiàn)在分詞+…？1.Will/Shall+主語+動詞原形+…?2.Be+主語+goingto+動詞原形+…?Have/Has+主語+過去分詞+…？否定式1.主語+be+not+…2.主語+don’t/doesn’t+動詞原形+…1.主語+was/were+not+…2.主語+didn’t+動詞原形+…主語+be+not+動詞的現(xiàn)在分詞+…主