外研版八年级英语下册Module2 Unit3 Language in use课件.ppt

*Module2Experiences现在完成时(1)一、概述1.定义:表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种影响。2.考点介绍:现在完成时的结构;现在完成时的标志词;过去分词的变化规则二、现在完成时的句类及构成句类构成举例肯定句主语＋have/has＋过去分词＋其他.Ihavehadlunch.我已经吃过午饭了。否定句主语＋have/has＋not＋过去分词＋其他.Ihaven’thadlunch.我还没吃午饭。句类构成举例一般疑问句Have/Has＋主语＋过去分词＋其他?Haveyouhadlunch?你吃过午饭了吗?特殊疑问句疑问词＋have/has＋主语＋过去分词＋其他?Wherehashebeen?他去哪里了?三、现在完成时的用法现在完成时表示过去发生的动作或经历的事情对现在造成的影响或结果,句子中常带有ever,never,…times,before等时间状语。如:Ihavewatchedthefootballmatch.我看过那场足球赛了。(知道了比赛的过程和结果)IhavebeentoBeijingthreetimes.我去过北京3次。(去北京的经历)四、过去分词的变化规则1.一般情况下,在动词词尾直接加-ed。如:work→worked,play→played2.以不发音的字母e结尾的动词,在动词词尾直接加-d。如:close→closed,move→moved3.以“辅音字母＋y”结尾的动词,将y改为i,再加-ed。如:carry→carried,study→studied4.以重读闭音节结尾且词尾只有一个辅音字母的动词,双写辅音字母,再加-ed。如:stop→stopped,prefer→preferred5.不规则变化需单独记忆。如:do→done,go→gone,see→seen,wake→waken专练一、单项填空—Whatapity!It??forawhile.?A.hasbeenoverB.wasoverC.willbeoverA.knowB.knewC.haveknownACA.writesB.haswrittenC.wrote—Yes.Iwenttheretwomonths??.Itisamoderncity.?A.before;agoB.ago;beforeC.ago;agoBA二、找出下列句子的错误,并在横线上进行更正5.Billhasmakesmanyfriendssofar.6.HowmanytimehaveyoubeentoShanghai?7.SamhaslearntEnglishfromfiveyears.8.Shehasbeentothelibrarysosheisnotinheroffice.makes改为made?time改为times?from改为for?been改为gone?一、用所给单词的适当形式填空flowndreamed/dreamthasseenenteredFrancesenttoinvitedtohaven’tboughtHasevertriedhasclimbed三、语法选择On20thFebruary,thewholeworldcheeredforthesuccessofBeijingWinterOlympics.ThomasBach,thepresidentoftheInternationalOlympicCommitteesaid“Thankyou!”inChinese?11?allthevolunteersfortheirhardworkandkindness.Behindhimstooda20-year-oldflag-bearer(执旗手)?12?asmilingface,YangGuanzheng.HegraduatedfromZhuhaiNo.1MiddleSchoolin2019,andnowheisstudyinginPeople’sPublicSecurityUniversityofChinainBeijing.?*