现在完成时复习课件.ppt

Jiangsu,HuaibeiMiddleSchoolbyChenXiaojunIhaveseenthefilm.ImeanIknowthefilm.OrIdon’twanttoseeit.Ihavehadmybreakfast.Ihavecleanedmybedroom.Therehavebeenmanywordsinthestone.Greatchangeshavetakenplaceinourschool.一、表示过去发生的某一动作对现在造成的影响或结果.Eg.1、Someone(break)thewindow.2、Theparty(start).二、表示动作或状态从过去开始一直延续到现在甚至将来Eg.1、He(study)Englishfortenyears.2、Thegirl(be)illforaweek.TheMeaningsofthePresentPerfectTensehasbrokenhasstartedhasstudiedhasbeen主语+have/has+not+done……。主语+have/has+done……。特殊疑问词+have/has+主语+done……？TheStructureofthePresentPerfectTensehave/has+主语+done……？ExercisesI_______________________theworkyet.He__________________foranhour.I_________just___________theletter._______you________himsincethen?Howlong_______you______inthehouse?1、我刚刚写完信.2、他已经等了一个小时.3、我还没有完成这一项工作.4、从那时起你就认识他吗？5、你在这所房子里住了多久了？havewrittenhaswaitedhavenotfinishedHaveknownhavelived规则动词过去分词的构成Thecompositionofregularverbspastparticiple用法一:现在完成时态的含义是表示过去发生的或已完成的动作对现在造成的影响或结果。特点是既涉及过去，又联系现在：动作是过去发生的，结果是现在存在的。Shehasgone.(她走了。)

从这句话中动词所用的现在完成时态可以看出“走”的动作是过去发生的，而对现在所造成的结果是她不在这里了。TheusesofthePresentPerfectTenseLook!Theblackboardissocleannow.

Hehascleanedtheblackboard.(他已经擦过黑板了。)?

这句话所表示的结果是黑板现在是干净的。HespeaksFrenchverywell.HelearneditinParis.Hewastherefortwoyears.

HehasstudiedFrench.(他学过法语。)

这句话所说明的结果是他现在懂法语。这种用法常与already,just,yet,

ever,never,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)thisdialoguetw