2012初中英语语法复习--现在完成时.ppt

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1、Thepresentperfecttense现在完成时Heisfull.Hehashadabigbreakfast.1.过去某一时间点发生的动作对现在产生影响。功能：IhavelearnedEnglishfortenyears2.过去某一时间点发生的动作持续到现在或还将持续下去。基本结构Thepresentperfecttensehave/has+done助动词（可以帮助构成肯定、疑问和否定句）1.Hehascleanedhisroom.(写一个一般疑问句）Hashecleanedhisroom?2.ShehaslivedinLondonforfouryears.(划线部分提问）Ho

2、wlonghasshelivedinLondon?3.HehasbeentoChina,________?（写出反义疑问句部分）hasn’the4.Theyhavecomebackfromwork.(写否定句）Theyhaven’tcomebackfromwork.WhatarethekeywordsforthePresentPerfectTense?A:______yourbrother______hishomeworkyet?(finish)B:Yes,he‘salreadydoneit.KeywordsHasfinishedyetalready注意：already用于肯定句，y

3、et用于疑问句和否定句中A:_______youever_______tothepark?(be)B:No,never.KeywordsHavebeenyetalreadyevernever注意：ever曾经用于疑问句中never从不带有否定意义I______just________thedesk,youcantakeittoyourclassroom.(mend)KeywordshavemendedyeteverneverjustalreadyJust刚刚与现在完成时连用一般置句中Justnow刚才与一般过去时连用Tom___________inthefactorysincehel

4、eftschooltenyearsago.(work)Keywordshasworkedyeteverneversincealreadysince后面带过去时间或有一般过去时的句子A:Howlong______you________inthisschool?(teach)B:For6years.Keywordshavetaughtyeteverneversinceforalready+一段时间We_______only____________100treessofar.(answer)Keywordshaveplantedyeteverneversinceforjustalready

5、sofar到目前为止Keywordsyeteverneversinceforjustbeforealreadysofarinthepast10yearstwice也可以是其他表示次数的词howlong常用于现在完成时的时间副词,介词:already(已经):用于肯定句Ihavealreadypostedtheletter.yet(已经):用于否定句,疑问句Hehasn’tdonehishomeworkyet.just(刚刚)Theyhavejustleft.ever(曾经)HaveyoueverbeentoBeijing?never(从不)Ihaveneverseenhim.befo

6、re(以前)Haveyouseenthefilmbefore?since(自从…以来)I’veworkedintheschoolsince1999.for(长达)He’slivedinShenzhenfor6years.inthepastseveraldays/weeks/years(在过去的…)recently(最近)Ihavenotwrittentomyparentsrecently.sofar(到目前为止)Sofarshehaslearned5Englishsongs.uptonow(到目前为止)thismorning/month/year(今天早上/这个月/今年)Someve

7、rbscan'toftenbeusedwith"for"or"since"Hehasboughtthebook.Hehasboughtthebookforaweek.Hehashadthebookforaweek.buyhavecome/go/gettobeinjoinbeinbea…memberleavebeawayborrowkeepbeginbeonfinishbeoverdiebedeadreturebebackPleasepointoutanym