2020版八年级英语下册Module3JourneytospaceUnit3Languageinuse课件（新版）外研版.pptx

Module3JourneytospaceUnit3,现在完成时(二)【新知导引悟】用所给动词的适当形式填空,并体会现在完成时的用法。1.I_just_(make)amodelspaceshipforourschoolproject.,have,made,2.We_(find)lifeonanyotherplanetsyet.3._it_(arrive)yet?4.Astronauts_already_(be)tothemoon.5.Ihavent_(start)yetbecauseImnotsurehowtomakeit.,haventfound,Has,arrived,have,been,started,【知识详解记】(一)用法:现在完成时可以表示动作已经完成或刚刚完成,经常用just,already,yet等加以强调说明。,(二)一般过去时与现在完成时的区别(1)一般过去时表示过去某时发生的动作或单纯叙述过去的事情,强调的是动作。*DamingreturnedthebiketoTonylastFriday.上星期五大明归还了托尼的自行车。,(2)现在完成时态的动作发生在过去,强调过去发生的动作对现在造成的影响和结果,而且造成的影响和结果还存在着。例如:IamveryproudbecauseChinahassentelevenspaceshipsintospacesuccessfully.我很自豪,因为中国已经成功发送了十一艘宇宙飞船进入太空。,【语法强化练】.用所给词的适当形式填空1.Where_you_(buy)it?I_(buy)itinasupermarket.2.We_already_(return)thebook.3._they_(build)anewschoolinthevillage?,did,buy,bought,have,returned,Have,built,4.He_(notfinish)hisworkyet.5.MrWhite_just_(arrive)home.,hasntfinished,has,arrived,.用already,yet,ever或never填空1.Theboyisfreenow.Hehasfinishedthework_.2.Haveyouvisitedthespacemuseum_?3.Mysisterhas_madeacakebefore,soitsherfirsttime.,already,yet,never,4.Haveyoucleanedyourroom?Not_.5.Haveyou_readthebookaboutthebridge?Yes,itsfantastic.Ihave_readittwice.6.Wehaveeatenupallthefruit_,sowedbettergotothesupermarkettobuysome.7.MrSmithhasntacceptedtheinvitation_(还,仍然).,yet,ever,already,already,yet,.单项选择()1.(2018白银中考)Isdinnerready?Not_.A.alreadyB.justC.yetD.ever,C,()2.Wow!You_dinner!Letseatnow.A.cookB.arecookingC.willcookD.havecooked,D,()3.ThetownofHuarong_alotinthepastfiveyears.世纪金榜导学号Thatstrue.Itsbecomingmoreandmorebeautiful.A.changedB.haschangedC.hadchangedD.ischanging,B,()4._you_wheretospendyourholiday?Notyet.WemaygotoBeijing.A.Do;decideB.Did;decideC.will;decideD.Have;decided,D,()5.Peggy,wouldyouliketoseetheflowershowwithmetomorrow?Sorry.I_italready.A.willseeB.sawC.haveseenD.see,C,【理模块话题】,【记写作佳句】【教材句】1.Ivejustmadeamodelspaceshipforourschoolproject.我刚刚做完了我们学校项目要求的宇宙飞船模型。,2.LotsofscientistsareworkinghardinordertosendastronautstoMarsoneday.许多科学家正在努力研究,为了有朝一日能将宇航员送往火星。3.Scientiststhinkthattherehasbeenlifeontheearthforhundredsofmillionsofyears.科学家认为地球上的生命已有亿万年的历史了。,4.Theearthisaplanetanditgoesaroundthesun.地球是一颗行星,它围绕太阳运行。5.Thesunanditsplanetsarecalledthesolarsystem.太阳和它的行星被叫做太阳系。6.Noneofthemhasanenvironmentlikethatoftheearth.没有一颗行星拥有与地球一样的环境。,【拓展句】1.Mydreamistobeanastronaut.我的梦想是成为一名宇航员。2.ShenzhouIXwassentupintospacesuccessfully.“神舟九号”成功升空。3.Youhavefinishedalotofexperiments.你们已经做了很多实验。,【鉴典题考题】2019年10月,上海博物馆将邀请刘洋教授来给青少年讲解太空知识以及宇航员训练等知识。刘洋是中国载人航天史上第一位女性宇航员。2012年6月,她和另外两名宇航员景海鹏和刘旺乘坐“神舟九号”载人航天飞船完成载人空间对接任务。假如你是大明,你对太空有着浓厚的兴趣,梦想成为一名宇航员,请给,刘洋教授写一封信,询问你所关注的知识,并表达自己的愿望和决心。要求:语言通顺,行文连贯,内容充实,80词左右。,DearprofessorLiu,Imexcitedtoknowyouaregoingtogiveusaspeech._,Imlookingforwardtomeetingyousoon.Yours,Daming,【审题谋篇】,【遣词造句】1.开篇点题引出写作目的知道你要给我们做演讲,我感到很兴奋。_,Imexcitedtoknowyouaregoingtogiveusa,speech.,2.具体描述个人感兴趣的知识和疑问等(1)宇航员_(2)宇宙_(3)梦想_(4)太空旅行_(5)对感兴趣_(6)完成很多实验_(7)因感到骄傲_(8)为了;以便于_,astronaut,universe,dream,spacetravel,beinterestedin,finishalotofexperiments,beproudof,inorderto,(9)我有一个成为像你一样的宇航员的梦想。_(10)你能告诉我宇航员在太空中是如何生活的吗?他们在空闲时间做什么?_,Ihaveadreamofbeinganastronautlikeyou.,Couldyoutellmehowastronautsliveinspaceand,whattheydointheirfreetime?,3.最后表达愿望和决心我期待很快与你相见。_,Imlookingforwardtomeetingyousoon.,【连句成篇】DearProfessorLiu,Imexcitedtoknowyouaregoingtogiveusaspeech.Weareproudofyou.IamastudentinGradeEight.Iaminterestedinspacetravel.Ihaveadreamofbeinganastronautlikeyou.Couldyoutellmehowastronautsliveinspaceandwhattheydointheirfree,time.Youhavefinishedalotofexperiments,butwhichonedoyoulikebest?Inordertomakemydreamcometrue,whatkindofbooksshouldIreadandwhatsportsshouldIplay?Imlookingforwardtomeetingyousoon.Yours,Daming,【练话题写作】假如你是Sam,生活在火星上,你的妹妹Amy在地球上。请根据表格提示,给Amy写封电子邮件,向她介绍一下你在火星上的生活。,DearAmy,ImwritingtoyouonMars._Ihopeyoucancometolivewithmesoon.Yours,Sam,【参考范文】DearAmy,ImwritingtoyouonMars.ItsreallywonderfultoliveonMars.,IthinkthelifeonMarsismorecomfortableandinterestingthanthatofonearth.Westudyonlineathome.WecancommunicatewithteachersandclassmatesontheInternet.Wehaverobotstodohousework,sowehavemore