我的现在完成时讲解课件

语法课堂,GrammarFocus-4c,上一页,现在完成时,下一页,现在完成时的构成,上一页,下一页,have(has）+过去分词现在完成时的基本句型：肯定式：主语+助动词have/has+动词的过去分词.疑问式：助动词Have/Has+主语+动词的过去词?否定式:主语+助动词have/has+not+动词的过去分词.,现在完成时的主要用法,上一页,下一页,-Itssodark.-Someonehasturnedoffthelight.(有人刚把灯关了,对现在造成的结果是:现在很黑),-Areyoufree?-Ihavefinishedmyhomework.Iamfree(我已经完成了家庭作业,对现在造成的结果是很有空),1.表示过去发生的某一动作对现在造成的影响或结果。,presentperfecttense,Eg:,already一般用于肯定句;yet用于否定句和疑问句,位于句末,Hehasalreadylefthere.他已经离开这里了。Myteachershaventhadbreakfastyet.我的老师们还没有吃早饭。Haveyouwrittentoyourparentsyet?你已经给你父母写过信了吗？,现在完成时的主要用法,2.表示过去已经开始,持续到现在的动作或状态,past,present(now),future,Eg:IhavelearntEnglishformorethantenyears.我已经学了10多年的英语。Shehasswumsincehalfanhourago.我已经游泳了半个小时,常与since和for等时间状语连用,_,_,1.for+一段时间,Eg.Ihavebeenherefor5weeks.HesstudiedEnglishfor3years.,2.since+,时间点(表示过去某一时间的)单词从句（一般过去时）,Eg.Ihavebeenheresince2000.Ihavebeenheresince5yearsago.IhavebeenheresinceIgraduatedin2000.,选用for和since填空:1.Wehaventseeneachother_alongtime.2.HisfatherhasbeenintheParty_10yearsago.3.Thefilmhasbeenon_20minutes.4.MrGreenhasworkedhere_hecametoChina.5.Hisgrandparentshavebeendead_severalyears.6.Itsfiveyears_wemetlasttime.,for,since,for,since,for,since,下一页,上一页,Usethewordsinbracketstocompletetheconversations.1.A:Wouldyoulikesomethingtodrink?B:No,thanks._.(just/drinksometea)2.A:Iheardyoulostyourkey._?(find)B:No,notyet.3.A:DoyouknowwhenTomisleaving?B:_.(already/leave)A:When_?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No._.(already/seethefilm)5.A:Whatdoyourparentsthinkaboutourplan?B:I_.(not/tellthem/yet),Ihavejustdrunksometea,Haveyoufoundit,Hehasalreadyleft,didheleave,Shehasalreadyseenthefilm,haventtoldthemyet,中考链接：1._you_(clean)theroom?Yes,we_(do)thatalready.2._he_(see)thisfilmyet?Yes.When_he_(see)it?He_itlastweek.3.I_(read)thenoveltwice.Itsinteresting.4.MrChen_(give)upsmokingsincelastyear.,Have,cleaned,havedone,did,saw,下一页,上一页,see,Has,seen,haveread,hasgiven,轻松一刻,大家来找茬,Ihaveboughtahouseyet.Hehasntalreadyfinishedhishomework.Mymotherhavelearnedtoplaychessyet.TheyhavebuymanyCDs.Wehavelearned2000wordsforwecamehere.Hehasdancedsince5years,already,yet,already,bought,since,for,Fillintheblankswiththecorrectformsofthewordsinthebrackets.Sally_(love)reading.Inthemorningshereadsthenewspaperandintheeveningshereadsbooks.She_already_(read)morethan100differentbooks.Herfavoritekindofbooksissciencefiction.Sheisinterestedinscienceandtechnologyandlovestoimaginewhattheworld_(be)likein50years.She_(finish)readingabookaboutrobotslastweekand_(write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_(notread)yetandshecant