现在完成时与过去完成时.ppt

《现在完成时与过去完成时.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、PresentPerfectTense辨别下面句子的时态1.去年我去了苏州。2.我每天早上7：00起床。3.下个星期我要去看望我的老师。4.看！那边有个女孩在哭。5.汤姆去过北京2次了。6.他住在那儿已经有十年了。一般过去时一般现在时一般将来时现在进行时现在完成时现在完成时Unit1现在完成时thepresentperfecttense一.发生在过去，一直持续到现在！HehaslivedinXuzhouforsixyears.Ihaven’ttalkedtomycousinsincelastFriday.二。发生在过去，与现在有关！Ihaveseenthefilm.H

2、ehasalreadypostedtheletter.Presentperfecttense现在完成时构成:用法一：表示过去发生的某一动作对现在造成的影响或产生的结果.现在完成时这一时态强调是过去动作与现在的联系,也就是强调现在的影响和结果.have/has+过去分词1.都表示过去发生的事2.现在完成时强调过去和现在的联系，不能和具体的时间状语连用；3.一般过去时强调过去发生的事或状态与表示过去的具体时间连用（last,ago,yesterday,etc.）presentpastIhavelivedherefortwoyearsIlivedthere2yearsago

3、eg.1.Hehadhisbreakfastat6:00Hehashadhisbreakfast.2.Whendidyoucomehere?IwatchedthefootballmatchonTVat9:00.Adverbsoftimebefore,bynow(sofar),once,twice…,just,recentlyyet(否/疑),already(肯),ever,never,allone’slife,in/duringthepast/last5years,Exercises1.I________(have)lunchalready.2.Hasthetrain

4、_______(arrive),yet?3.Tome____never_______(beto)China.4.Thetwin______just_____(see)myfather.5.Thetwins____(see)myfatherjustnow.6.Manytallbuildings____________(build)inthepast5years.havehadarrivedhasbeentohasseensawhavebeenbuilt用法二：for+段时间since+点时间since+句子（过去时）E.g.Katehaslivedherefor3yea

5、rs.Katehaslivedheresince3yearsago.KatehaslivedheresinceshecametoChina.表示过去某个时间开始的动作或存在的状态，一直持续到现在并可能还将持续下去。动词使用延续性动词。常与for或since引导的时间连用常见非延续性动词和延续性动词的转变arrive/come/gotodiebecomeaborrowLeave/movebuyopenjoinstart/beginfinish/endcatchacoldgetupgettoknowgetoutclosewakeupgotosleepbecomeinter

6、estedinbeinbedeadhavekeepbeaway/beoutbeabein/amemberofbeopenbeonbeoverhaveacoldbeupknowbeoutbeclosedbeawakebeasleep/sleepbeinterestedinExercisesHisfatherhasdied.(for2years)Thefootballmatchhasbegun.(since9:00a.m)Thetwinshavejoinedthearmy.(sincetheyare18yearsold)MyteacherhasjustleftNanjin

7、g.(for3days)Hisfatherhasbeendeadfor2years.Thefootballmatchhasbeenonsince9:00a.m.Thetwinshavebeensoldiers/beeninthearmysincetheyare18yearsold.MyteacherhasbeenawayfromNanjingfor3days.重点句型:Itis/hasbeen+段时间+since从句段时间+haspassed+since从句eg.他死了两年了：Hediedtwoyearsago.Hehasbeendeadfort