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精品资料Unit1知识点总结1.主语+have/hasbeento+地点“去过某地”（已返回）主语+have/hasgoneto+地点“去了某地”（未回来）主语+have/hasbeenin+地点+for+段时间（待在某地，动作可以延长一定时间，后面常接段的时间）ShehasbeeninJapanfor2year.ShehasbeentoJapan.ShehasgonetoJapan.▲地点是名词须接to，如果地点是副词则不接to。Tomhasbeenthere.▲对地点提问用：where2.频度副词already,yet,just,ever,never,在现在完成时中的作用（1）already用在肯定句，用与句中，句尾均可，“已经”I’vefinishedmyhomeworkalready.I’vealreadyfinishedmyhomework.(2)yet用于否定句或疑问句，“还”，用于句末。在现在完成时的用法中，肯定句常用already，改用否定句和一般疑问句时常把already改为yet（放句末）。Ihavealreadyfoundhim.Haveyoufoundhimyet?(3)Just位于谓语动词前。“刚刚”（也可以用于一般现在时，过去时态）HehasjustcomebackfromFrance.(4)ever多用与一般疑问句，否定句和条件状语从句中，“曾经”HaveyoueverbeentoFrance?No,Ihaven’t./Yes,Ihave.Ifyoueverhappentocomehere,besuretovisitus.(5)never多用于否定的陈述句中，“从不……”(反义词是ever)Ihavenevertravelledonaplane.(变成一般疑问句）Haveyouevertravelledonaplane？Heisneverlateforschool.(它还可以用于其他时态中）(6)before做副词时，”从前“，句中谓语常用现在完成时和过去时。Ihaveneverbeentotheplacebefore.Isawherbefore.三.词组。1.考虑做某事considerdoingsth2.多亏了……thanksto+名词/doingsth3.亲眼看见seesth.oneself4.真的么？Isthatso?/Really?5.过上艰苦的生活have/liveahardlife6.有一个好机会做某事haveagoodchancetodosth7.与某人联系keepintouchwith…8.远方亲戚relativesfaraway9.在某方面取的进步make（great)progressin+名词10.成功做成某事succeedindoingsth./besuccessfulindoingsth.11.现在北京的路发生了什么变化？WhathashappenedtoBeijing’sroadsnowadays?精品资料12.Withmyparents’help=withthehelpofmyparentsWiththedevelopmentofChina.Chinahasdevelopedrapidly.13.Theregoesthebell.14.Moresortsofleisureactivities.更多种类的业余活动15.improve（动）educate（动）communicate（动）improvement(名词）education(名）communication(名）16.support(动词）supportafamily养家(名词）givesb.support=givesupporttosb.给...支持17.Thankstothegovernment’sefforts,myhometownisbecomingbetterandbetter.Topic2一、SodoI.(前面提到的肯定情况同样适合另外一个主语。“我也是这样”）Neither/NordoI.(前面提到的否定情况同样适合于另外一个主语。“我也不这样”）⑴-Tomisakindman.-So__am__I.-Thechildrenshouldcomeearlier.-So___should___they.-Kangkangplaysfootballwell.-So__do____we.-Theyvisitedthefarm.-So__did____he.-IhavebeentoBeijing.-So__has____he.-Mikewillleavehere.-So__will____Maria.⑵-Sheisn’tagoodworker.-Neither/Nor__am___I.-Hewon’tgoswimming.-Neither__will____we.-TheyhaveneverbeentoFuzhou.-Neither__has____he.-Wecan’tgotothecinema.-Neither_can_____they.二，Soitis.“的确如此“（表达两者对同一事物看法一致）so+主语（代词）+be/助动词/情态动词-Thegirlwasathome.-So__shewas______.-Lucycametotheschool.-So__shedid______.-KangkanghasbeentoBeijing.-So__hehas_______.三，分数，百分数⑴分数，分子用基数词，分母用序数词，分子大于1，分母用复数形式。例如：onethird1/3,twothirds2/3,aquarter1/4,threequarters3/4,ahalf/onehalf½(2)分数+of+复数名词:Threefifthsofstudentsaregirls.ThreefifthsofthepopulationisChinese.(3)百分数。”基数词+percent”thirtypercent30%(4)百分数+of+复数名词:Chinahas20percentoftheworld’spopulation.四，unless的用法（=if……not…..)”除非…..“(引导条件状语从句.)Youwillmissthebusunlessyouhurryup.五，词组。（1）population“人口”，用large/small形容，做主语时，谓语动词用单数，疑问词用what提问。WhatisthepopulationoftheU.S.A.?Itis296million.精品资料对某事严格bestrictin/aboutsth.对某人严格bestrictwithsb短缺beshortof增加了….increaseby发展中国家thedevelopingcountry发达国家thedevelopedcountry到目前为止sofar采取许多措施做某事takemanymeasurestodosth.在做某事方面有奏效workwellindoingsth属于belongto一对，一些acoupleof发展迅速developquickly快速提高improverapidly执行独生子女政策carryouttheone-childpolicy在农场动物的帮助下种庄稼plantcropswiththehelpoffarmanimalsTopic3一、一般过去时常用的时间是：last+时间,段的时间+ago,yesterday,thedaybeforeyesterday例如：Hevisitedhisparentsyesterday.二，现在完成时的“未完成”用法。本用法表示动作或状态从过去某时开始，延续至今，可能结束，也可能继续下去。常与for短语，since短语或since从句连用，可以用howlong提问。谓语动词用延续性动词。1,一般过去时的句子改为现在完成时的句子。短暂性动词→延续性动词borrow→keepbecome→bedie→bedeadopen→beopenbuy→haveclose→beclosedjoin→beamemberof/beinmarry→bemarriedbegin/start→beonfallill→beillcometo→bein/atgetup→beupleave/go→beaway(from)end→beoverputon→wearfallasleep→beasleepcatchacold→haveacold2,一般过去时的时间→现在完成时的时间at8:00→since8:00lastyear→foroneyear/sincelastyearyesterday→foroneday/sinceyesterdaytwodaysago→fortwodays/sincetwodaysago3,一般时的句子变成现在完成时的句子。（1）HeboughttheVCDyesterday.HehashadtheVCDsinceyesterday./foroneday.(2)Sheborrowedthisbookthreedaysago.Shehaskeptthisbookforthreedays./sincethreedaysago.(3)Helefttheparkat8:00.Hehasbeenawayfromtheparksince8o’clock三，词组。精品资料决定某事decideon+名词决定做某事decidetodosth.一旦…就…once吸毒takedrugs力求做某事aimtodosth.把学校带进穷地区bringschoolsintopoorareas在国内外athomeandabroad来参观athomeandabroad提供某人某物providesb.withsth.=providesth.forsb.自我感觉良好feelgoodaboutoneself事实上asamatteroffact=infact如果你来了就将很快习惯它的Youwillgetusedtoitverysoonifyoucome.住在那儿你觉得怎么样？很好。Howdoyoulikelivingthere?It’sgreat.usedtodosth.与be/getusedto+名词/doingsth.（1）Iusedtocollectstamps,butnowIlikecollectingtelephonecards.(过去常做某事）（2）Heis/getusedtohavinganappleeverymorning.（习惯于做某事）