【最新】牛津译林版八年级英语下册Unit1课件(共56张PPT)

8BUnit1Pastandpresent(Revision)Learningaims:1.掌握本单元的重点单词、短语和句子。2.掌握现在完成时的基本构成和用法。Part1Words1.现在，目前2.街区3.废料4.意识到，实现5.改进，改善(名词)6.形势，情况7.尽管，即使这样8.环境，条件9.到（在）国外10.正是，没错11.小学教育的，初级的12.丈夫13.妻子(复数)14.环境(形容词)presentblockwasterealizeimprovesituationanywayconditionabroadexactlyprimaryhusbandwifewivesimprovementenvironmentenvironmentalPart1Words1.北方(adj.)2.南方(adj.)3.结婚(vt.)(adj.)（n.）4.污染(vt.)(adj.)（n.）5.采访(vt.)(n.)（n.）6.进来，最近(adv.)(adj.)7.交流，交际(vt.)(n.)northsouthernnorthernmarrysouthcommunicationpolluterecentlypollutedinterviewcommunicatepollutionmarriedmarriageinterviewinterviewerrecent用所给词的适当形式填空：1.WecanlearnalotaboutYangzhou’sPastand____________(现在).2.Ican’timaginehowterriblethe__________(形势)wasatthattime.3.Ourgovernmenthasdonesomethingto___________(改善)people’sliving_________(条件)。4.--Youwerestillat__________(初级的)schoolthen.--__________(正是).5.Mycousinhasdecidedtogo_________(到国外)forfurthereducation.6.Weshouldtakeactiveactionstoprotectour_____________(环境)。IwouldliketobeamemberofGreenFirst,an______________group.improvepresentsituationconditionsprimaryexactlyabroadenvironmentenvironmental用所给词的适当形式填空：1.Drinking________waterdoesharmtoone’shealthsowater________isreallyterrible.(pollute)2.GuangdongProvinceisinthe________partofChina.(south).3.Mr.Sunisagreat___________.Hehas___________manyfamouspeople.(interview)4.--DoyouknowMarygot____________toapilot?--Yes,they___________________fornearlytwoyears.(marry)5.—Howdoyoukeepintouchwithyourfriends?--Wemainly______________byemail.TheInternetmakes______________mucheasier.(交流)southernpollutedpollutioninterviewerinterviewedmarriedhavebeenmarriedcommunicatecommunication中考学案大本P651.changen./v.changealotthechangestoYangzhou__________________overtheseyears.这些年来扬州变化很大！There____________________________Yangzhouovertheseyears.Greatchanges__________________inYangzhouovertheseyears.haschangedalothavebeengreatchangesin/tohavetakenplacePart1Phrases&sententces1.getmarried结婚be/getmarriedtoSb.marrySb.和某人结婚Tom________Maryin1965.Mary_____________________Tomin1965.TomandMary___________in1965.They__________________since1965.marriedgotmarriedwas/gotmarriedtohavebeenmarried3.usedtodosth曾经，过去常常做某事e.g.1.我父亲过去是个老师.Myfather_____________ateacher.2.我曾经在这所学校学习.I____________inthisschool.易混淆短语：usesthtodosth用某物做某事beusedtodo/fordoingsth被用来做某事beusedassth被用为某物beusedtodoingsth习惯于做某事usedtobeusedtostudyFillintheblanks.1.There__________(过去是）acleanriverandit_____________(use)towashclothes.2.Canyoutellmedifferent______(用处)ofacomputer?3.Thenewlightrail______________(投入使用)since2005.4.刀被用来切东西Knives___________________________________5.以前，我不习惯早起Inthepast,I____________________________usedtobewasuseduseshasbeeninuseareusedtocutthings/forcuttingthingswasn’tusedtogettingupearly中考学案大本P67小试身手5Hefeelslonely.Hefeelslonely.Hespentdoinghishomework.Wewillvisittherenextweek.TheWhiteshavebeentoHongkong__________.4.fromtimetotime不时，有时，偶尔＝sometimes=attimes易混淆单词或短语：sometimesometimesometimesfromtimetotimesometimes\attimessometimesometime一段时间某一时候几次sometimes5.feelabitlonely感到有点儿寂寞aloneadj.&adv.lonelyadj.eg.1.他一个人单独居住,但从不感到寂寞.Helives_____,butheneverfeels_____.2.他一个人住在偏僻的村庄里.He________________________.alonelonelylivesaloneinalonelyvillage单独,一个人(用作表语或状语)孤独的,寂寞的,偏僻的(作表语或定语)abit/alittle/alittlebit+adj.(adv.)abitof/alittle+不可数名词Heknows_________________French.eg.他懂得一点法语。She’s_________________________afraidofherfather.abit/alittle/alittlebitabitof/alittle6.alittle,abit有点儿她有点儿害怕她的父亲。拓展：notabitnotalittle一点也不很多，非常你一点都不老。Youare______________old.我最近麻烦事很多。Ihave______________troublerecently.notabitnotalittle1.现在完成时的肯定句句型主语（第一、二人称单、复数)+have主语（第三人称复数）+have+过去分词主语（第三人称单数）+has2.现在完成时的否定句句型主语+have/has+not+过去分词+……Ihavenotseenthemovieyet.Hehasn’tbeentoBeijingsincethen.WehavelivedinBeijing.HehaslivedinBeijing.Ihavefinishedmyhomework.Part3GrammarPresentperfecttense3.现在完成时的一般疑问句句型Have/Has+主语+过去分词+….Haveyoufinishedthework?Hasshearrivedhere?4.现在完成时的特殊疑问句句型特殊疑问词+have/has+主语+过去分词+…….HowmanytimeshaveyoubeentotheGreatWall?movelivelovelike5.动词的过去式和过去分词的构成:1）.规则变化visitrepairwatchfinishvisitedvisitedrepairedrepairedwatchedwatchedfinishedfinishedmovedmovedlivedlivedlovedlovedlikedlikedverb＋ed以e结尾＋dstopmoptrapplanstoppedstoppedmoppedmoppedtrappedtrappedplannedplanned注:以一个辅音字母结尾的重读闭音节词,双写最后一个辅音字母＋ed双写＋edstudyhurrystudiedstudiedhurriedhurried去y＋ied注:以辅音字母加y结尾的词,去y＋ied.Exercises:bringbuyfallfeelspeakthinkwritebroughtbroughtboughtboughtfellfallenfeltfeltspokespokenthoughtthoughtwrotewritten这种用法常与already,just,yet,ever,never,recently,before(句末)等连用1.I__________(do)myhomeworkalready.2.He_______________(notfinished)hishomeworkyet.3.______youever_______(be)toBeijing?4.We________never________(see)suchanexcitingmatchbefore.5.Mother_______just_________(clean)thehouse.Pleasedon’tcomein.6.They_________________(practice)thisdialoguetwice.havedonehasnotfinishedHavebeenhaveseenhascleanedhavepracticed6.用法1：表示之前已发生或完成的动作或状态，其结果和现在有联系或造成影响。注意：当在肯定陈述句中含有already或just时，在转换成否定句或疑问句时，要把句中的already或just去掉，在句末加上yet.Ihaven’tseenthefilmyet.2Ihavedonemyhomeworkalready.Ihaven’tdonemyhomeworkyet.3.Motherhasjustcleane