现在完成时》语法复习课件.ppt

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1、现在完成时态ThePresentPerfectTensestudyEnglishHowlonghaveyoubeenstudyingEnglish?IhavebeenstudyingEnglishfortwoyears.(2009-now)2009startedstudyingEnglish2012studying2yearshasbeenstudyingWhendidyoustartstudyingEnglish?In2009.现在完成时Presentperfecttense构成:助动词have/has+过去分词1.肯定句现在完成

2、时的肯定句式是“have（has）＋过去分词”。注意：该句式中的have或has是助动词，has用于第三人称单数，其它人称一律用have。eg.Hehaseatensupper.Theyhaveeatensupper.2.疑问句现在完成时的一般疑问句式是把助动词have或has提到主语之前。(回答用“Yes，---have/has．／“No，---haven’t/hasn’t．”）3.否定句：现在完成时的否定句式是“haven't/hasn't＋过去分词”。eg.Hasheeatensupper?Yes,hehas./No,heha

3、sn’t.eg.Hehasn’teatensupper.Theyhaven’teatensupper.现在完成时态的分类用法一、1。表过去发生的某一动作对现在造成的影响或结果,（强调结果现在还存在）例如Ihavejustcleanedmyclothes.我刚洗过衣服。（“洗衣服”是发生在过去的动作，对现在造成的结果是“衣服干净了”）Ihavejusthadmybreakfast.(对现在的影响：不饿)Hashehadhisbreakfast?Yes,hehas.Whendidhehavehisbreakfast?Hehadbr

4、eakfastat6:00.1.Myfatherboughtmanybooksformeyesterday.Now,Ihavealottoreadbecause________________________________2.Isawthisfilmlastweek.Now,IknowthisfilmbecauseI_____________________.3.Ididmyhomeworkyesterday.Now,IcangiveittotheteacherbecauseI______________myfatherhasbo

5、ughtmanybooksforme.haveseenitbeforehavedoneit.通常与表示包括现在在内的时间副词just(谓语动词之前)（刚刚）,already（已经(肯定句)）,before,yet（一般疑问(句末）：已经；否定句：还）never,ever(疑问句)twicerecently(近来）等状语连用1Tomhasalreadyfinishedhishomework.Tomhasn’tfinishedhishomeworkyet.2Ihavejusthadmylunch.Shehasn’tseenyoubefo

6、re.3Haveyouevereatenfish?Ihavenevereatenfish①Ihaveneverheardofthatbefore.②Haveyoueverriddenahorse?③Shehasalreadyfinishedthework.④Haveyoumilkedthecowyet?Yes,Ihavedonethatalready.⑤I’vejustfinishedmyhomework.⑥Hehasnotcomeyet.Exercises1.I________(have)lunchalready.2.thetra

7、in_______(arrive)yet?3.Tom____never_______(be)toChina.4.Thetwin______just_____(see)myfather.5.Thetwins____(see)myfatherjustnow.6.______youever_______(ride)ahorse?Never.havehadHasarrivedhasbeenhasseensawhaveridden7._____you________(clean)theroom?Yes,we__________(do)that

8、already.When_______you______(do)it?We_______(do)itanhourago.8.______he______(see)thisfilmyet?No.When_____he_____(see)