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ID:49903870
大小:242.50 KB
页数:16页
时间:2020-03-04
《英语人教版八年级下册现在完成 时态.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、PresentPerfectTenseDesigner:Lixia石头中学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.主语+have/has+过去分词主+have/has+not+过去分词Have/Has+主语+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.)presentpa
2、stIhavelivedherefortwoyearsIlivedthere2yearsagoeg.1.Hehadhisbreakfastat6:00Hehashadhisbreakfast.2.Whendidyoucomehere?IwatchedthefootballmatchonTVat9:00.3.WestudiedinGrade7lastyear.4.Wehavestudiedhereforthreeyears.Adverbsoftimebefore,bynow(sofar),just,recentlyyet(否/疑),already(肯),in/during
3、thepast/last5years,Exercises1.I________(have)lunchalready.2.Hasthetrain_______(arrive),yet?3.Tome____never_______(beto)China.4.Thetwin______just_____(see)myfather.5.Thetwins____(see)myfatherjustnow.havehadarrivedhasbeentohasseensaw用法二:for+段时间since+点时间since+句子(过去时)E.g.Katehaslivedherefor3
4、years.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/endcatchacoldgetupgettoknowgetoutclosewakeupgotosleepbecomeint
5、erestedinbeinbedeadhavekeepbeaway/beoutbeabein/amemberofbeopenbeonbeoverhaveacoldbeupknowbeoutbeclosedbeawakebeasleep/sleepbeinterestedinExercisesHisfatherhasdied.(for2years)Thefootballmatchhasbegun.(since9:00a.m)Thetwinshavejoinedthearmy.(sincetheyare18yearsold)MyteacherhasjustleftNanji
6、ng.(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.Hehasbeendeadfortwoyears/si
7、ncetwoyearsagoItis/hasbeentwoyearssincehedied.Twoyearshaspassedsincehedied.1.这本书我借了一个月了。Iborrowedthisbookamonthago.Itis/hasbeenamonthsinceIborrowedthebook.Ihavekeptthebookforamonth./sinceamonthago.AmonthhaspassedsinceIborrowedthebook.Have/hasgonetohave/hasbeentohave/has
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