《2021年秋九年级英语全册Unit13We'retryingtosavetheearthSectionAGrammarFocus_4c课件新版人教新目标版》由会员分享，可在线阅读，更多相关《2021年秋九年级英语全册Unit13We'retryingtosavetheearthSectionAGrammarFocus_4c课件新版人教新目标版（31页珍藏版）》请在金锄头文库上搜索。
1、Unit13 Were trying to save the earth.Period3 SectionA（Grammar Focus-4c）【知识目标】Importantwords：cream，pie，bean，market，Importantphrases：collect the math homework;complete the work for my boss;make the apple pie;show up;add the green beans 【能力目标】进一步复习巩固学习Section A 部分所学的生词和词组;巩固过去完成时的用法。【情感目标】能比较流利地讲述自己曾经有
2、的特别的经历学习目标学习目标 u根据句意及首字母提示完成句子。u1.Dad,Im going to be late for school.Can you give me a l_?u2My alarm clock didnt ring off,so I o_ this morning.u3Why do you all stare me in d_?Dont you believe me?u4This fish isnt dead but it is still a_.Look!It is still moving.u5I would tell you the truth unless the
3、sun raised from the w_.iftversleptisbeliefliveest自学互研自学互研1.不同种类的污染不同种类的污染2.河底河底3.把垃圾扔到河里把垃圾扔到河里4.在在中起作用中起作用differentkindsofpollutionthebottleoftheriverthrowrubbishintotheriverplayapartinI.Check if you know these phrases.复习导入复习导入5.在中国南部在中国南部6.对有害有害7.在在顶部部8.海洋生海洋生态系系统insouthernChinabeharmfulto attheto
4、poftheoceansecosystemII.Translatethesentences.II.Translatethesentences.1.甚至是河底都满是垃圾。甚至是河底都满是垃圾。2.这个方法不仅残酷还对环境有害。这个方法不仅残酷还对环境有害。Eventhebottomoftheriverwasfullofrubbish.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.3.鲨鱼处于海洋食物于海洋食物链的的顶部。部。4.许多人相信多人相信鱼翅翅对健康有好健康有好处。Sharksareatthetopofthefoodcha
5、inintheoceansecosystem.Alotofpeoplebelievethatsharksfinsaregoodforhealth.GrammarFocusWere trying to save the earth.Present progressiveThe river used to be so clean.used toThe air is badly polluted.Passive voiceNo scientific studies have shown that shark fins are good for health.Present perfectWe sho
6、uld help save the sharks.Modal verbs导学达标导学达标现在进行时现在进行时:PresentProgressive结构结构:be(am/is/are)+v.-ing标志词：标志词：Look,Listen,now,rightnowe.g.Look!Theboyiscrying.定义：定义：表示说话时表示说话时(瞬间瞬间)正在进行的正在进行的动作动作,也表示目前或现阶段正也表示目前或现阶段正在进行的动作。在进行的动作。What a fine day today!Look!What are they doing?usedtodosth.表示表示过去常常做某事去常常做某
7、事,而而现在往往不做了在往往不做了,后接后接动词原形。原形。beusedtodoingsth.表示表示习惯于做某事于做某事e.g.Iusedtogetupatsixoclock.Joeisusedtodrinkingacupofcoffeeeverymorning.usedtodo与与beusedtodoingTranslation.1.她她过去常常周末和朋友去常常周末和朋友闲逛。逛。Sheusedtohangoutwithfriendsonweekends.2.他他习惯于每天晚上熬夜。于每天晚上熬夜。Heisusedtostayingup.被动语态：被动语态：Passivevoice定义：定
8、义：表示主语是动作的承受者，即行表示主语是动作的承受者，即行为动作的对象的一种语态。为动作的对象的一种语态。结构：结构：be+过去分词过去分词e.g.Anewschoolwasbuiltlastyear.Ourclassroomiscleanedeveryday.TranslatethesentencesbyusingPassivevoice.1.刚才一些老年人参才一些老年人参观了博物了博物馆。2.工人工人们使用不同种使用不同种类的机器工作。的机器工作。The museum was visited by some old people just now.Different kinds of m
9、achines are used to work by the workers.e.g.Ihaventfinishedmyhomeworkyet.定义：定义：表示动作已经完成表示动作已经完成,但对现在造成影但对现在造成影响响;或者表示从过去某一时间开始一或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。直延续到现在并还可能持续下去的动作。结构结构:has/have+过去分词过去分词标志词：标志词：already,yet,ever,never,since,for现在完成时现在完成时:PresentPerfectCompletethefollowingsentences.1.I_(b
10、e)inBeijingfortwoyears.2.I_never_(hear)ofthatmanbefore.3.Tom_(work)theresincetwoyearsago.havebeenhaveheardhasworked4.Thetwins_(wash)theclothesforanhour.5.He_(play)basketballsincethreeyearsago.6.Howlong_Sally_(sing)yet?havewashedhasplayedhassung1.情情态动词本本身身有有一一定定的的词义,表表示示说话人人的的情情绪、态度度或或语气气,但但不不能能单独独作作
11、谓语,只能与其他只能与其他动词构成构成谓语。常常见的的有有:can(could),may(might),must,need,shall(should),will(would)等。等。情态动词情态动词2.情情态动词无无人人称称和和数数的的变化化,后后接接动词原原形形。否否定定式式是是在在情情态动词后后面面加加not。个个别情情态动词有有过去式形式去式形式,可用来表达更加客气、委婉的可用来表达更加客气、委婉的语气。气。e.g.Ken can climb up the tress like a koala.Tracy could ride a bicycle when she was five ye
12、ars old.You mustnt play with fire.It is dangerous.Translation.1.我我们不能在教室里吃不能在教室里吃东西。西。2.首先你必首先你必须完成作完成作业。3.他他现在不可能在家。在不可能在家。4.她一定知道她一定知道这个个问题的答案。的答案。Wecanteatintheclassroom.Youmustfinishyourhomeworkfirst.Hecantbeathomenow.Shemustknowtheanswertothisquestion.4aFillintheblankswiththecorrectformsoftheve
13、rbsinbrackets.Joe:_youever_(take)partinanenvironmentalproject?Eric:Yes,Ihave.I_(help)withaClean-UpDaylastyear.Itwas_(consider)thebiggestclean-upprojectthiscity_ever_(have).Havetakenhelpedconsideredhadhad参加参加Joe:Howmanypeople_(take)part?Eric:I_(think)morethan1,000people_(come)tohelpout.Joe:Thatsfanta
14、stic!Iguesseveryoneinthiscityis_(try)toimprovetheenvironment.Eric:Yes,wecantaffordto_(wait)anylongertotakeaction!tookthinkcametryingwaitv.承担得起承担得起(后果后果);买得买得起起4bFillintheblankswiththeappropriatemodalverbsfromthebox.People_thinkthatbigthings_bedonetosavetheearth.Manyforgetthatsavingtheearthbeginswith
15、smallthings.Forexample,you_savemay/mightmustcancanwouldcouldhavetoshouldmustmay/mightelectricitybyturningoffthelightswhenyouleavearoom.You_alsousereusablebagsinsteadofplasticbags.Ithinkitsagreatideathatyounow_payforplasticbagsinsomestores.Andinsteadofdrivingtoschoolorwork,you_rideyourbikeorwalk.Ifit
16、sfar,you_takethebus.Allthese couldhavetocan/shouldcan/could关掉关掉adj.可重复使用可重复使用的的付费付费;付出代价付出代价smallthings_addupandbecomebigthingsthat_improvetheenvironment.Letstakeactionnow!couldwould/can采取行动采取行动4cMakealistofthingsthatpeoplecandotohelptheenvironmentanddiscussyourlistwithyourpartner.use public transportation(n.交通运输交通运输);Ithinkthateveryoneshouldusepublictransportation.Idisagree.ItsdifficultforparentswithyoungchildrentousepublictransportationIthinkthateveryoneshouldusepublictransportation.Idisagree.
