《现在完成时态》PPT课件

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1、Presentperfecttense现在完成时态现在完成时谓语动词的构成：助动词have/has(not)+V-ed（过去分词）I______________(finish)thecompositionalready.He___________(learn)Englishforthreeyears.We/You/They….She….havefinishedhaslearned一、现在完成时的构成1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）+hasWehavelivedinBeijing

2、.HehaslivedinBeijing.Ihavefinishedmyhomework.2现在完成时的否定句句型主语+have/has+not+过去分词,句中有ever直接将ever变为neverIhavenotseenthemovieyet.Hehasn’tbeentoBeijingsincethen3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+…….Howmanytimeshaveyoub

3、eentotheGreatWall?1)   He___________(wait)foranhour.2)  I________________(notfinish)theworkyet.3)   ___________you___________(know)himsincethen?4) I___________(hear)frommybrotherrecently.5)   We___________(be)theremanytimesinthepast3years.6)   Howlong________you__________(stay)athomealr

4、eady?7)   He___________(notread)thebookbefore.haswaitedhaven’tfinishedHaveknownhaveheardhavebeenhavestayedhasn’tread8)    Hersister_________(go)toChangchun.She______(leave)thismorning.9)    He___________(live)inhishometownsincehelefthere.10)  Thewriter______________(finish)severalstory-

5、bookssince1990.hasgonelefthaslivedhasfinishedmostverbsIrregularverbsInfinitivePastparticleInfinitivePastparticletraveltravelledcomecomevisitvisitedseeseenlivelivedbebeenmissmissedgivegivenlandlandedwritewrittenmovemovedmakemadelearnlearnedputput▲用法1：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

6、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。HespeaksFrenchsofluently.HelearneditinParis.Hewastherefortwoyears.HehasstudiedFrench.(他学过法语。)这句话所说明的结果是他现在懂法语。Look!Theblackboardissocleannow.Hehascleanedtheblackboard.(他已经擦过黑板了。)这句话所表示的结果

7、是黑板现在是干净的。这种用法常与already,just,yet,ever,never,before(句末),sofar,recently,times等连用.I________(do)myhomeworkalready.He_____________(notfinished)hishomeworkyet.____youever_____(be)toBeijing?We______never______(see)suchanexcitingmatchbefore.Mother_____just_______(clean)thehouse.Pleased