欢迎来到天天文库
浏览记录
ID:45419372
大小:1.12 MB
页数:20页
时间:2019-11-13
《中考专项复习——现在完成时复习课件》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、现在完成时复习ReviewofthePresentPerfectTense现在完成时的构成:have/has+动词的过去分词注:动词过去分词的构成分为规则变化和不规则变化,规则变化的动词过去分词与过去式是一样的,不规则变化的动词须特殊记忆。规则动词过去分词的构成1.一般在动词后直接加-ed构成规则2.以不发音的e结尾的动词,直接加-d3.末尾只有一个辅音字母的重读闭音节词,先双写这个辅音字母,再加-ed4.结尾是“辅音字母+y”的动词,先变“y”为“i”再加-ed例词looklookedplayplayedlivelivedhopehopedstopstoppedplanplanneds
2、tudystudiedcarrycarried写出下列动词的过去分词:worklikecrystaylearnusehelpfinishcookarriveworkedlikedcriedstayedlearnedusedhelpedfinishedcookedarrived不规则动词过去分词的构成1.三个主要动词is,ambearewaswerebeenhave/hashadhaddo/doesdiddone2.AAA型(三者一致)cutcutcutletletletputputputcostcostcostreadreadread3.ABA型(过去分词与原形一致)comecameco
3、mebecomebecamebecomerunranrun4.ABB型(过去分词与过去式一致)bringbroughtbroughtfindfoundfoundhearheardheardkeepkeptkeptmakemademade此外还有leave,win,tell,spend,say,meet等等。5.ABC型(三者不一致)eatateeatengivegavegivenwritewrotewrittenseesawseengetgotgottenbeginbeganbegun此外还有go,take,know,speak,swim等等。现在完成时的用法:1.表示已完成的某一动作对
4、现在造成的影响或结果1)标志词:already:yet:多用于陈述句,位于have/has后,有时位于句末。e.g.Ihavealreadyfinishedmyhomework.用于疑问句和否定句,位于句尾。e.g.Haveyoufoundyourlostbookyet?Ihaven'thadbreakfastyet.ever:never:多用于疑问句,问初次经历。e.g.HaveyoueverbeentoBeijing?用于否定句,位于have/has后e.g.Hehasneverarguedwithotherpeople.just:before:多用于陈述句,位于have/has后e
5、.g.Lucyhasjustwashedherclothes.可用于各句式,位于句尾。e.g.Ihavereadthisbookbefore.Hehasn'tbeenabroadbefore.HaveyouflowntoHainanbefore?2)无标志词的:e.g.Heisnotfeelingwellnow.Hehascaughtacold.Ihavelostthekey.Ican'tgointomyroom.2.表示从过去已经开始,持续到现在的动作或状态。标志词:1)for+一段时间e.g.Wehavelivedinthiscityfortenyears.2)since+过去点时间
6、since+一段时间+agosince+从句(从句用一般过去式)e.g.Hehasworkedheresince1990.Shehastaughtinthisschoolsincetwoyearsago.Wehaveknowneachothersincewemet.3)sofar,once/twice/threetimes,allone'slifee.g.Theyhavelearnt2000wordssofar.Tomhasseenthefilmtwice.Herfatherhasworkedinthefactoryallhislife.4)inthepast+一段时间duringthe
7、last+一段时间e.g.Theyhavebuiltmanyhighbuildingsinthepastthreeyears.Greatchangeshavetakenplaceinmyhometownduringthelasttwoyears3.have/hasbeentohave/hasgonetohave/hasbeenin曾经去过某地到某地去了在某地呆了多长时间1.A:Where’sJim,LiLei?B:He_______
此文档下载收益归作者所有