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时间:2020-04-03
《中考英语语法二轮专题 现在完成时课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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.肯定句现在完成时的肯定句式是“have(has)+过去分词”。注意:
2、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,hehasn’t.eg.Hehasn’teatensupper.Theyhaven’teatensupper.用法一
3、、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?Hehadbreakfastat6:00.现在完成时态的分类1.Myfatherboughtmanybooksformeyesterday.Now,Ihavealottoreadbecause_
4、_______________________________2.Isawthisfilmlastweek.Now,IknowthisfilmbecauseI_____________________.3.Ididmyhomeworkyesterday.Now,IcangiveittotheteacherbecauseI______________myfatherhasboughtmanybooksforme.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
5、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’tseenyoubefore.3Haveyouevereatenfish?Ihavenevereatenfish①Ihaveneverheardofthatbefore.②Haveyoueverriddenahorse?③Shehasalreadyfinishedthework.④Haveyo
6、umilkedthecowyet?Yes,Ihavedonethatalready.⑤I’vejustfinishedmyhomework.⑥Hehasnotcomeyet.Exercises1.I________(have)lunchalready.2.thetrain_______(arrive)yet?3.Tom____never_______(be)toChina.4.Thetwin______just_____(see)myfather.5.Thetwins____(see)myfatherjustnow.6.______youever_______(ride)ahorse?
7、Never.havehadHasarrivedhasbeenhasseensawhaveridden7._____you________(clean)theroom?Yes,we__________(do)thatalready.When_______you______(do)it?We_______(do)itanhourago.8.______he______(see)thisfilmyet?No.When_____he_____(see)
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