2020人教版九年級英語下冊unit-13單元全套課件

unit13人教版九年級英語下冊單元全套課件We’retryingtosavetheearth!unit13人教版九年級英語下冊單元全套課件We’retSectionA1a-2d

目錄SectionA3a-3cSectionAGrammarFocus-4cSectionB1a-2eSectionB3a-SelfCheck使用說明：點擊對應課時，就會跳轉到相應章節(jié)內容，方便使用。SectionA1a-2d目錄SectionUnit13We’retryingtosavetheearth!人教版九年級英語下冊SectionA1a-2dUnit13人教版九年級英語下冊SectionA1a-ObjectivesTotalkaboutairpollution,waterpollutionandnoisepollution.Tothinkaboutwaysofprotectingtheenvironment.Tolearntousethesentencepatterns

usedto...butnowshoulddosth.ObjectivesTotalkaboutairpoHerearesomewordsrelatedtodifferentkindsofpollution.Writethemintheboxbelow.Thenaddmorewords.1aHerearesomewordsrelatedtonoisepollution________________________________________________airpollution____________________________________________waterpollution________________________________________________loudmusicplanesmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonescarsnoisepollutionairpollutionListenandcompletethesentences.Whatwastheproblem?Theriverwas_____________.Eventhebottomoftheriverwasfullof_________.Therewerenomore______forfishermentocatch.reallydirtyrubbishfish1bListenandcompletethesentenWhatcausedtheproblem?Peoplearethrowing_______intotheriver.Factoriesareputting______intotheriver.Howshouldtheproblembesolved?Weshouldwritetothe____________andaskthemto___________thefactories.Everyoneshouldhelpto__________theriver.litterwastegovernmentclosedowncleanupWhatcausedtheproblem?PeopleListenagainandanswerthefollowingquestions.WhatdoesTonywanttodolaterthisafternoon?HewantstogoswimmingwithMarkintheriverlaterthisafternoon.Listenagainandanswerthefo2.Whydoesn’tMarkwanttogowithTony?

Becausetheriverwasreallydirty.Eventhebottomoftheriverwasfullofrubbish,andtherewerenomorefishforfishermentocatch.3.Howwastheriverinthepast?

Itusedtobesoclean.Ithasbeenthenicestriverinthistown.2.Whydoesn’tMarkwanttogoRole-playtheconversation.Thenmakeyourownconversationsaboutthekindsofpollutionin1a.1cMark:Theriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Tony:Butitusedtobesoclean!Mark:Yes,butpeoplearelitteringintheriver.Tony:Everyoneinthistownshouldplayapartincleaningitup!Role-playtheconversation.ThListentotheinterview.CirclethekindsofpollutionthatJasonandSusantalkabout.landpollutionB.airpollutionC.noisepollutionD.waterpollution2aListentotheinterview.CirclListenagainandcompletethesentences.1.Theairisbadlypollutedbecausethereare___________ontheroadthesedays.2.Factoriesthatburncoalalso________theairwithalotofblacksmoke.morecarspollute2bListenagainandcompletethe3.Thereisalsotoomuchrubbishandwaste.People_________________thingseveryday.4.Peoplearealsolitteringin______________likeparks.Thisisturningbeautifulplacesintougly

ones.arethrowingawaypublicplaces3.ThereisalsotoomuchrubbUsetheinformationin2aand2btorole-playconversationsbetweenJasonandSusan.2cJason:Theairhasbecomereallypollutedaroundhere.I’mgettingveryworried.Susan:Yes,Iusedtobeabletoseestarsinthesky.Jason:Theproblemisthat...Usetheinformationin2aandWhatshouldwedotosavetheearth?WhatshouldwedotosavetheTurnoffthelightswhenyouleavearoom.Turnoffthelightswhenyoulstopridingincarsstopridingincarsstopusingpapertowelsornapkins

n.餐巾,餐巾紙stopusingpapertowelsornaprecycle

booksandpaperv.回收利用;再利用recyclebooksandpaperv.回收利用Interviewer:JasonandSusan,whatareyourideasforsolvingtheseproblems?Jason:Well,tocutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.Susan:Yeah,orrideabike.Thereareother

advantagesofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!Role-playtheconversation.2dInterviewer:JasonandSusan,Interviewer:Greatideas!Whataboutwaste

pollution?Susan:Mmm,Ithinksimplethingslike

bringingabagtogoshoppingcanhelp.

Istarteddoingthatayearago.Jason:Me,too.Also,Inevertakewooden

chopsticksorplasticforkswhenIbuy

takeawayfood.Iusetheonesathome.Interviewer:Greatideas!WhatSusan:Andremembertothrow

rubbishinthebinsandkeep

publicplacescleanand

beautifulforeveryone.Interviewer:Sotogether,ouractions

canmakea

difference

andleadtobetter

future!Susan:AndremembertothrowCompletethechart.ProblemsSolvingproblemsairpollutionwastepollutiontakethebus,subwayorrideabikeinsteadofdrivingbringabagtogoshoppingusechopsticksorforksathomehrowrubbishinthebinsCompletethechart.ProblemsSolWe’retryingtosavetheearth!我們正在竭盡全力拯救地球!trytodo=tryone’sbesttodo努力去做某事e.g.We’ll

try

tofinishtheworkinaweek.

我們將努力在一周內完成這項工作。LanguagepointsWe’retryingtosavetheearthHerearesomewordsrelatedtodifferentkindsofpollution.berelatedto與……有關e.g.

Isthedriverrelatedtotheaccident?

司機和這起事故有關嗎？HerearesomewordsrelatedtoEventhebottomoftheriverwasfullofrubbish.Yes,butpeoplearethrowinglitterintotheriver.litter和rubbish都可指“垃圾”，用作不可數(shù)名詞。litter指“（室內或公共場所）亂扔的廢物（紙屑、不要的包裝紙、廢瓶等）”還可回收。rubbish指“沒用的東西（被扔或將要丟棄的無用的東西）”不可回收。Eventhebottomoftheriverwe.g.Throwtherubbishout.把垃圾扔出去。Theroomisfullofrubbish.房間里堆滿了垃圾。Pickupyourlitterafterapicnic.野餐后將廢棄物收拾好。e.g.Throwtherubbishout.Everyoneinthistownshouldplayapartincleaningitup!playapartin在……方面起作用e.g.Agooddietplaysalargepartinhelpingpeoplelivelonger.

健康的飲食在幫助人們長壽方面起著非常

大的作用。EveryoneinthistownshouldpIt’sgoodforhealthanditdoesn’tcostanything!cost

v.花費；使付出，指花費金錢，主語通常是物。cost的過去式和過去分詞均為cost。e.g.ThenewshirtcostMrWang200yuan.

王先生花了200元買了新襯衫。

Howmuchdoesthenewcomputercost?

新電腦花了多少錢？It’sgoodforhealthanditdotake,spend,pay&costtake，spend，pay和cost都可以表示“花費”，但它們的用法各有不同。take多表示花費時間常用于Ittakessb.sometimetodosth.句型中，其中it作形式主語。e.g.Itusuallytakesme40minutestocookthedinner.take,spend,pay&costspend多表示花費時間和金錢，主語常是人，常用于sb.spend(s)sometime/moneyonsth.sb.spend(s)sometime/money(in)doingsth.兩種句型。e.g.Davidspent2,000yuanonthenewmachine.Myfatherspendsanhour(in)watchingthenewsonTVeveryday.spend多表示花費時間和金錢，主語常是人，pay多表示花費金錢，主語通常是人，常用于sb.pay(s)somemoneyforsth.句型。e.g.Tommypaid20yuanforhisbreakfastyesterday.cost多表示花費金錢，主語通常是物，常用于sth.cost(s)(sb.)somemoney.句型。e.g.ThenewdresscostLinda88yuan.pay多表示花費金錢，主語通常是人，常用于sb.根據(jù)句意用take,spend,pay或cost的適當形式填空。1.Thatnewcar________

themlotsofmoney.2.Mona__________50yuanonthebooksjustnow.3.Itusually_______

meanhourtodomyhomework.cost

spent

takes根據(jù)句意用take,spend,pay或cost的適當形4.Youshould__________

sometimepractisingyourpronunciation.5.Mybrother_______

6,000yuanforthenewcomputeryesterday.spendpaid4.Youshould__________

someExercisesbin,cost,coal,fisherman,takeaway1.Ahot________felloutofthefireandburntthe

carpet(地毯).2.A__________ishotcookedfoodthatyoubuyfrom

ashoporrestaurantandeatsomewhereelse.coaltakeawayI.根據(jù)句意，從方框中選擇恰當?shù)膯卧~填空，

有的需要變換形式。Exercisesbin,cost,coal,3.DoyouwantthisorshallIthrowitinthe

________?4.Writingsuchalongnovel________much

timeandpatience.5.Look!Some____________arecatchingfish

overthere.costsfishermenbin3.DoyouwantthisorshallIII.根據(jù)漢語意思完成英語句子。1.工人們正在竭盡全力降低事故率。

Theworkersaredoingalltheycan___________

theaccidentrate.2.左邊第二個房間里堆滿了書。

Thesecondroomontheleftis

_______________

books.tocutdownfullof/filledwithII.根據(jù)漢語意思完成英語句子。tocutdownfu3.你應該向那些參與挽救病人的醫(yī)生道謝。

Youshouldsaythankstothosedoctorswho

have_________________savingthepatient.playedapartin4.拉里將去開會，而不是我。Larrywillgotothemeeting__________me.insteadof3.你應該向那些參與挽救病人的醫(yī)生道謝。playeda5.我的目的是把這件壞事變成好事。

Mypurposeisto________thisbadthing

________a

goodone.6.保持教室干凈是我們的責任。

It’sourdutyto________theclassroom

_______.turnkeepintoclean5.我的目的是把這件壞事變成好事。turnkeepinto7.我們小區(qū)的噪音污染很嚴重。

The_________________inourneighborhood

isveryserious.noisepollution7.我們小區(qū)的噪音污染很嚴重。noisepollutioIII.漢譯英。我盡量今天晚上完成工作。他在工作中其重要作用。這些問題都是密切相關的。Iwilltrytofinishtheworkthisevening.Heplaysanimportantpartinthework.Theseproblemsarecloselyrelated.III.漢譯英。Iwilltrytofinish中考鏈接(2019·貴州安順)—Myfather_________tohisworkplacebybus,butnowhe__________therebybike.—Really?Youhaveanenvironmentally-friendlyfather.A.usedtogo,isusedtogoB.usedtogoing,isusedtogoC.isusedtogo,isusedtogoingD.usedtogo,isusedtogoingD中考鏈接(2019·貴州安順)D1.Writeashortpassageabouthowtoprotectourenvironment.2.Previewthenewwordsandexpressions.3.Previewthearticleonpage99.Homework1.WriteashortpassageaboutUnit13We’retryingtosavetheearth!人教版九年級英語下冊SectionA3a-3bUnit13人教版九年級英語下冊SectionA3a-ObjectivesTohavetheawareness(意識)ofprotectingsharksandrespectingnature.Tounderstandthepassageaboutendangeredanimals—sharks.Tolearntousesomewordsandexpressions.ObjectivesTohavetheawareneInyouropinion,whichanimalsneedtobesaved?WarmingupInyouropinion,whichanimalsFreetalkHaveyoueverseensharks（鯊魚）?Whydotheyneedtobesaved?FreetalkHaveyoueverseensReadthepassageaboutsharksandcompletethefactsheetbelow.3aSavetheSharks!Manyhaveheardofsharkfinsoup.ThisfamousandexpensivedishisespeciallypopularinsouthernChina.Butdoyourealizethatyou’rekillingawholesharkeachtimeyouenjoyabowlofsharkfinsoup?ReadthepassageaboutsharksWhenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.Thisisnotonlycruel,butalsoharmfultotheenvironment.Withoutafin,asharkcannolongerswimandslowlydies.Sharksareatthetopofthefoodchainintheocean’secosystem.Iftheirnumbersdroptoolow,itwillbringdangertoalloceanlife.ManyWhenpeoplecatchsharks,theybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.Butinfact,around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.believethatsharkscanneverEnvironmentalprotectiongroupsaroundtheworld,suchasWildAidandtheWWF,areteachingthepublicabout“finning”.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?Helpsavethesharks!EnvironmentalprotectiongroupWheresharkfinsoupispopularNumberofsharkscaughtandtradedeveryyearHowgoernmemtcanhelpTwoenvironmentalgroupsagainst“finning”southernChina70milliondeveloplawstostopthesaleofsharkfinsWildAidandtheWWFWheresharkfinsoupispopulaReadthetitle,thefirstandlastsentencesineachparagraphsandmatchthemainideas.Talkaboutsharkfinsoup.Sharksareendangerednow.Appeal(呼吁)topeopleagainsteatingsharkfins.Para.3Para.1Para.2Readthetitle,thefirstandReadParagraph2carefullyandanswerthefollowingquestions1.Ifasharkdoesn’thaveafin,whatwillhappen?2.Ifsharks’numbersdroptoolow,whatwillhappen?3.Whyaresharksendangerednow?ReadParagraph2carefullyandIfasharkdoesn’thaveafin,whatwillhappen?Asharkcannolongerswimandslowlydies.Ifasharkdoesn’thaveafin,Ifsharks’numbersdroptoolow,whatwillhappen?Itwillbringdangertoalloceanlife.Ifsharks’numbersdroptooloWhyaresharksendangerednow?Around70millionsharksarecaughtandtradedinthisindustryeveryyear.Thenumbersofsomekindsofsharkshavefallenbyover90percentinthelast20to30years.Whyaresharksendangerednow?ReadParagraph3andanswerthequestions.1.Whatarethetwoenvironmentalprotectiongroupsdoingtoprotectthesharks?Andwhathavetheydone?a.Theyareteachingthepublicabout“finning”.b.Theyhaveevenaskedgovernmentstodeveloplawstostopthesaleofsharkfins.2.Aresharkfinsgoodforhealth?Why?No,theyaren’t.Becausenoscientificstudieshaveshownthatsharksaregoodforhealth.ReadParagraph3andanswerthSomepeopleliketoeatsharkfinsoup,especiallyin_________China.Butgettingthesharkfinisvery_____.Whenpeoplecatchthesharks,they________theirfinsandthrowthesharksintotheocean.Thesharksslowlydiesbecausetheycan’t_____withoutfins.Anditisalso________totheenvironment.Sharksareatthe___ofthefoodchain.Ifthenumberofsharksdropstoolow,itwillbreakthebalanceofthenature.Pleasesaynotoeatingsharkfinsoup,andtakeactiontosavethesharks!Retellthepassage.southerncruelcutoffswimharmfultopSomepeopleliketoeatshark1.Manypeopledonotrealizetheyarekillingawholeshark_____theyenjoyabowlofshark’sfinsoup.2.Sharksareatthetopofthefoodchain,______iftheirnumbersdrop,theocean’secosystemwillbeindanger.Readthepassageagainandfillintheblankswiththewordsinthebox.soalthoughifbutwhensowhen3b1.ManypeopledonotrealizeManythinkthatsharksaretoostrongtobeendangered,_________theyarewrong._________therearenoscientificstudiestosupportthis,alotofpeoplebelievethatsharkfinsaregoodforhealth.5.Sharksmaydisappearoneday____wedonotdosomethingtostopthesaleofsharkfins.butAlthoughifManythinkthatsharksaretoWhatshouldwedotosavetheanimals?DiscussionWhatshouldwedotosavetheDon’tkillthemDon’tkillthemDon’twearthemDon’twearthemNotradeNomurderNotradeNomurderNotonly+倒裝句，butalso…不但……而且……Notonlycanmysisterplaythepiano,butalsoshecanplaytheviolin.我姐姐不但會彈鋼琴，還會拉小提琴。LanguagepointsNotonly+倒裝句，butalso…LanguagHarmful有害的構成的短語：

beharmfultosb./sth.對某人/某事有害=

doharmtosb.或bebadforsb./sth.Smokingisharmfultoourhealth.=Smokingdoesharmtoourhealth.=Smokingisbadforourhealth。Harmful有害的endangered瀕危的；瀕危滅絕的Ourgovernmentmustbedonetoprotecttheseendangeredanimals.我們的政府必須采取措施來保護這些瀕臨滅絕動物。Pandasareendangeredanimal.熊貓是瀕危動物。endangered瀕危的；瀕危滅絕的ExercisesI.根據(jù)句意及漢語提示填寫單詞。1.Thereisnooneto________(支持)him.2.Keepingtheanimalsinthezooisvery________(殘酷的)．3.________(鯊魚)areverysmartanimals.4.Ourgovernmenthasmade________(法律)tostopdriving

afterdrinking.5.Pollutionproblemisbecomingmoreandmoreserious

withthedevelopmentofthe________(工業(yè))．supportcruelSharkslawsindustryExercisesI.根據(jù)句意及漢語提示填寫單詞。suppII.根據(jù)句意，用括號中所給詞的適當形式填空。1.Hainanisinthe________partofChina.(south)2.Weallsupporthis__________research.(science)3.Thisisan_____________animal.Weshouldtryto

saveit.(danger)4.Smokingis________toyourhealth.Youmustgive

itup.(harm)5.Tomis_____________inourschool.(strong)southernscientificendangeredharmfulthestrongestII.根據(jù)句意，用括號中所給詞的適當形式填空。southeReviewthepassageyou’velearnedtoday.2.Writeatleast5measurestoprotecttheendangeredanimals.HomeworkReviewthepassageyou’velearUnit13We’retryingtosavetheearth!人教版九年級英語下冊SectionAGrammarFocus-4cUnit13人教版九年級英語下冊SectionAGra

ObjectivesTolearnaboutThePresentContinuous

Tense,passivevoice,PresentPerfect

andModalVerbs.ObjectivesTolearnaboutTheHaveyouevertakepartinanenvironmentproject?Whatshouldyoudotosavetheenvironment?

①turnoffthelightswhen…②usethepaperbags...③walktoschool...WarmingupHaveyouevertakepartinanWe’retryingtosavetheearth.PresentprogressiveTheriverusedtobesoclean.usedtoTheairisbadlypolluted.PassivevoiceNoscientificstudieshaveshownthatsharkfinsaregoodforhealth.PresentperfectWeshouldhelpsavethesharks.ModalverbsGrammarFocusWe’retryingtosavetheearth現(xiàn)在進行時表示現(xiàn)在或現(xiàn)階段正在進行或發(fā)生的動作。①肯定句:

主語+am/is/are+-ing②否定句:

主語+am/is/are+not+-ing③疑問句:Am/Is/Are+主語+-ingLanguagepoints現(xiàn)在進行時表示現(xiàn)在或現(xiàn)階段正在進行或發(fā)生的動作。Langua現(xiàn)在進行時的用法1.表示說話時正在進行的，目前正在發(fā)生的動作。

常帶有表示目前時刻的時間狀語如：now,atthe(very)moment,forthetimebeing,atpresent,及Look!Listen!...①Look!Thebigbirdisflyingaway.

看，那只大鳥正在飛走。②Heiswatchingamovienow.

他現(xiàn)在正在看電影。現(xiàn)在進行時的用法2.表示目前一段時間內正在進行，但說話時可能沒有進行的動作。RightnowIamstudyingChinesebydistancelearning.

我現(xiàn)在正通過遠程教育學習漢語。

2.表示目前一段時間內正在進行，但說話時3.與always,constantly,forever,allthetime等副

詞連用，表示動作反復或習慣。此時句子常

含有說話者的強烈情感在內。表達較強的

“責備”或“表揚”之意。①Youarealwayschangingyourmind.

你總是主意不定。(太煩人了。)②Heisalwayshelpingothers.

他總是幫助別人。(他真是個好人。)

3.與always,constantly,foreve4.對于come,go,leave,arrive,start等表示位置移動的動詞?？捎眠M行時態(tài)表將來。①HeisleavingonWednesday.他將于周三離開。

②Maryisn’thereatthemoment.Sheis

coming

later.

瑪麗現(xiàn)在不在這兒，她一會兒來。4.對于come,go,leave,arrive,s用括號內所給動詞的適當形式填空。Listen!Thephone__________(ring).Pleasegoto

answerit.2.—Alan,it’slate.Whynotgotobed?—Jennyhasn’tcomebackyet.I___________

(wait)forher.3.—What’syourfatherdoingnow?—He__________(write)aletterinthestudy.isringingamwaitingiswriting用括號內所給動詞的適當形式填空。isringingamwWhatafinedaytoday!Look!Whataretheydoing?

GroupdiscussionWhatafinedaytoday!Groupusedtodosth.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.表示習慣于做某事Iusedtogetupatsixo’clock.我以前六點鐘起床。Joeisusedtodrinkingacupofcoffeeeverymorning.喬習慣每天早晨喝一杯咖啡。usedtodo&beusedtodoingusedtodosth.表示過去常常做某事，而現(xiàn)在Translation.1.她過去常常周末和朋友閑逛。

Sheusedtohangoutwithfriendsonweekends.2.他習慣于每天晚上睡得很晚。

Heisusedtostayingup.Translation.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)。結構：be+過去分詞

Anewschoolwasbuiltlastyear.

Ourclassroomiscleanedeveryday.被動語態(tài)：Passivevoice定義：表示主語是動作的承

①一般現(xiàn)在時的被動語態(tài)：am/is/are+V-edThefirstsectionofNewCollegeEnglishisdesignedforspeakingpracticeandisbasedonpicturesandtopics.

②一般過去時的被動語態(tài)：was/were+V-edThesecomputersweremadeinourowncountrylastyear.③一般將來時的被動語態(tài)：will/shall+be+V-edShallwebeaskedtoattendtheopeningceremony?

①一般現(xiàn)在時的被動語態(tài)：am/is/are+V-ed1.有些動詞可以有兩個賓語，直接賓語與間接賓語。一些特殊的被動語態(tài)Theydidn’tofferAnnthejob.Annwasn’tofferedthejob.間接賓語直接賓語主語(2)直接賓語做主語，需在間接賓語前加to或者for.在變?yōu)楸粍诱Z態(tài)時:Thejobwasn’tofferedtoAnn.主語Shemademeacake.(1)間接賓語(通常指人)做主語，直接賓語依然保留在謂語后邊。Acakewasmadeforme.主語1.有些動詞可以有兩個賓語，直接賓語與間接賓語。一些特殊的被2.在使役動詞have,make,get以及感官動詞see,watch,notice,hear,feel,observe等后面不定式作賓語補語時，在主動結構中不定式to要省略，但變?yōu)楸粍咏Y構時，要加to。Theymakehercleanthefloor.Sheismade

toclean

thefloorbythem.2.在使役動詞have,make,get以及感官動詞s3.It+be+V-ed+that從句=主語+be+V-ed+todosth.表示:據(jù)說/據(jù)報道/據(jù)悉/據(jù)信等……Itissaidthattheboyhaspassedthenationalexam.Theboyissaidtohavepassedthenationalexam.據(jù)說這個男孩已經通過了這次全國性的測試。3.It+be+V-ed+that從句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.Thedishtastesdelicious.Thetheoryprovedrightatlast.Thebookissointerestingthatitsellswell.Thepenwriteswell.不可以變成被動語態(tài)的情況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2.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).3.通常只有及物動詞（組）才有被動語態(tài)，不及物動詞沒有。戰(zhàn)爭爆發(fā)了。Thewarbrokeout.但不能說：Thewarwasbrokenout.2.need做實意動詞時，need+V-ing主動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.【運用】Translatethesentencesbyusi用括號內所給動詞的適當形式填空。1.TheSecondarySchoolEntranceExam

_______(hold)inJune.2.Astrangenoise__________(hear)byhismotherlastnight.3.Awideroad_____________(build)betweenthetwovillagesbythosepeoplenextyear.isheldwasheardwillbebuilt用括號內所給動詞的適當形式填空。1.TheSeconda定義：表示動作已經完成,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。標志詞：already,yet,ever,never,since,for…Ihaven’tfinishedmyhomeworkyet.

現(xiàn)在完成時:PresentPerfect定義：表示動作已經完成,但對現(xiàn)在造成影響；或者表示從過去某肯定句：主語+have/has+V-ed+其他否定句：主語+haven’t/hasn’t+V-ed+其他一般疑問句：Have/Has+主語+V-ed+…？肯定答語：Yes,主格代詞+have/has.否定答語：No,主格代詞+haven’t/hasn’t.現(xiàn)在完成時—構成肯定句：主語+have/has+V-ed+其Completethefollowingsentences.I_________(be)inBeijingfortwoyears.2.I_____never_____(hear)ofthatmanbefore.3.Tom________________(work)theresincetwoyearsago.havebeenhaveheardhasworkedCompletethefollowingsentenc4.Thetwins_____________(wash)theclothes

foranhour.5.He___________(play)basketballsincethreeyearsago.6.Howlong______Sally_______(sing)yet?havewashedhasplayedhassung4.Thetwins_____________(wa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,只能與其他動詞構成謂語。常見的有:can(could),may(might),must,need,shall(should),will(would)等。情態(tài)動詞情態(tài)動詞本身有一定的詞義,表示說話人的情緒、情態(tài)動詞情態(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。Kencanclimbupthetreeslikeakoala.Tracycouldrideabicyclewhenshewasfiveyearsold.Youmustn’tplaywithfire.Itisdangerous.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。Wecan’teatintheclassroom.

Youmustfinishyourhomeworkfirst.Hecan’tbeathomenow.

Shemustknowtheanswertothisquestion.Translation.Wecan’teatinthJoe:__________youever__________(take)part

inanenvironmentalproject?Ken:Yes,Ihave.I_____(help)withaClean-UpDaylastyear.Itwas________________

(consider)thebiggestclean-upprojectthis

city______ever______(have).Joe:Howmanypeople__________(take)part?Havetakenhelpconsideredtobehadhadhavetaken4aFillintheblankswiththecorrectformsoftheverbsinbrackets.Joe:__________youever_____Ken:I__________(think)morethan1,000people_________(come)tohelpout.Joe:That’sfantastic!Iguesseveryoneinthiscityis_______(try)toimprovetheenvironment.Ken:Yes,wecan’taffordto___________(wait)

anylongertotakeaction!thinkhavecometryingwaitingKen:I__________(think)morePeople______thinkthatbigthings______bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswithsmallthings.Forexample,you_______saveelectricitybyturningoffthelightswhenyouleavearoom.You_______alsousereusablebagsinsteadofplasticbags.canwouldcouldhavetoshouldmustmay/mightmaymustcouldcouldFillintheblankswiththeappropriatemodalverbsfromthebox.4bPeople______thinkthatbigthiIthinkit’sagreatideathatyounow______payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you_________rideyourbikeorwalk.Ifit’sfar,you________takethebus.Allthesesmallthings________addupandbecomebigthingsthat_________improvetheenvironment.Let’stakeactionsnow!havetocancanwouldshouldcan

wouldcouldhaveto

should

mustmay/mightIthinkit’sagreatideathatMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.usepublictransportation(n.交通運輸);turnoffthelightswhenyouleavearoom;usereusablebagsinsteadofplasticbags;rideyourbikeorwalktoschoolorwork;stopusingpapernapkins(餐巾紙);recyclebooksandpaper...4cMakealistofthingsthatpeoDiscussing...usepublictransportationtakeyourownshoppingbagswhengoshoppingreducetheuseofairconditionersinsummerturnoffthelightswhenyouleavetheroomgrowmoreplants...Discussing...usepublictranspA:Ithinkthateveryoneshouldtakeyourownshoppingbagswhengoshopping.B:Iagree.it'sgoodfortheenvironment.A:IthinkthateveryoneshoulA:Ithinkthateveryoneshouldreducetheuseofairconditionersinsummer.B:Idisagree.Thesummerissohot,especiallyinsourthChina.Withoutair-conditioners,peoplemaynothavethepatiencetowork.

A:IthinkthateveryoneshoulA:Ithinkthateveryoneshouldturnoffthelightswhenyouleavetheroom.B:Iagree.It'sgoodtosaveenergyresources.A:IthinkthateveryoneshoulA: