现在完成时讲解课件.pptx

现在完成时讲解课件.pptx

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语法课堂,浠水县麻桥中学张红萍,上一页,现在完成时,下一页,主菜单,Tomislookingforhiskeytohisbike.Hecantfindit.,Hehaslosthiskeytohisbike.,现在完成时,一.构成:

have/has+done（过去分词）过去分词（pp）其变化方法和动词过去式基本相同。

有部分不同，需要记好。

HehaslivedinShenzhenfor4years.HashelivedinShenzhenfor4years?

Yes,hehas./No,hehasnt.,现在完成时的主要用法,上一页,下一,主菜单,1.表示过去发生的某一动作对现在造成的影响或结果。

-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）,上一页,下一,现在完成时的主要用法,主菜单,2.表示过去已经开始,持续到现在的动作或状态.常与since+过去的时间点，for+一段时间，sofar等时间状语连用。

现在完成时的时间状语,常与already,ever,yet,never,just,before,uptonow,sofar=untilnowin/duringthelast/pastfewweeks,thesedays,（11）since+时间点,（12）for+时间段（13）（）（）,already:

常用于肯定句中.yet:

常用于否定句,疑问句尾.连用,上一页,下一,主菜单,A:

Hasboughtyourbrotheranewwatch?

（buy）B:

Notyet.,Keywordsyet,Keywords,A:

Havebeenyouevertothepark?

（be）B:

Yes,Iwenttherelastsummer.,yet,ever,（hear）,Keywords,Ihavenever,heardofanythinglikethat.,yet,ever,never,Keywords,Tomhasworkiendthefactorysinceheleftschooltenyearsago.（work）,yet,ever,never,since,Keywords,A:

Howlonghavetaughtyouinthisschool?

（teach）B:

For6years.,yet,ever,never,since,for,Keywords,Ihavemendedjustthedesk,youcantakeittoyourclassroom.（mend）,yet,ever,never,since,for,just,（紫禁城）before?

（visit）,Keywords,Haveyou,visitedtheForbiddenCity,yet,ever,never,since,for,just,before,Keywords,Hehasalready,foundajob.（find）,yet,ever,never,since,for,just,before,already,Keywords,Wehaveonlydiscussedthefirstfivequestionssofar.（discuss）,yet,ever,never,since,for,just,before,already,sofar,Keywords,Theyhaveplanteodver24,000fruittreesuptonow.（plant）,yet,ever,never,since,before,already,sofar,forjustuptonow,Greatchangesin,Beijinginthepast10years.（takeplace）,Keywords,havetakenplace,yet,ever,never,since,sofar,forjustuptonow,beforealreadyinthepast10years,Healotofgoodthings,inhislife.（do）,Keywords,hasdone,yet,ever,never,since,sofar,forjustuptonow,beforealreadyinthepast10years,inhislife,I,Keywords,havent,seenherlately.（notsee）,yet,ever,never,since,sofar,forjustuptonow,beforealreadyinthepast10years,inhislife,lately,I,（nothearfrom）,Keywords,haventheardfromhimrecently.,yet,ever,never,since,sofar,forjustuptonow,inhislife,beforealreadyinthepast10yearslatelyrecently,Keywords,Hehaslivedinthiscityeversincethen.（live）,yet,ever,never,since,sofar,forjustuptonow,inhislife,beforealreadyinthepast10yearslatelyrecently,eversincethen,Keywords,Hehastaughtinthishighschooltillnow.（teach）,yet,ever,never,since,sofar,forjustuptonow,inhislife,eversincethen,beforealreadyinthepast10yearslatelyrecentlytillnow,since:

（自以来）since+时间点Hehasstayedheresince5oclock.since+时间段+agoHehasstayedheresince5hoursago.since+从句ShehastaughtEnglishsincehecamehere.for:

（长达）for+时间段Hehaskeptthebookfor2weeks.,since,for的用法:

Takenotes,瞬间动词和延续性动词若句中出现时间段，则必须使用延续性动词。

瞬间动词和延续性动词转换关系如下,但在否定句中，短暂性动词可以与时间段连用。

如：

Shehasntcomehereforanhour.她来这儿还没有一个小时。

上一页,下一,主菜单,Pleasepointoutanymistakesandcorrect,Shehasboughtthecomputerfortwoyears.,hadbuyhave/hashad,Pleasepointoutanymistakesandcorrect,HowlonghaveyoucometotheUnitedStates？

beenin,cometo,have/hasbeenin,buyhave/hashad,Pleasepointoutanymistakesandcorrect,AnnhasgonetoChinasincethreemonthsago.,beeninbuyhave/hashad,cometogoto,have/hasbeeninhave/hasbeenin,Pleasepointoutanymistakesandcorrect,IhavegottoParisforoneweek.,beeninbuyhave/hashad,cometogotogotto,have/hasbeeninhave/hasbeeninhave/hasbeenin,Pleasepointoutanymistakesandcorrect,Mybrotherhasjoinedthearmyforfiveyears.,beenin,beenamemberof,buyhave/hashad,cometogotogotto,have/hasbeeninhave/hasbeeninhave/hasbeenin,join,have/hasbeenin,have/hasbeenamemberof,Pleasepointoutanymistakesandcorrect,IhaveleftShanghaifor3days.,beenawayfrom.,buyhave/hashad,cometogotogotto,have/hasbeeninhave/hasbeeninhave/hasbeenin,join,have/hasbeenin,have/hasbeenamemberof,leave,have/hasbeenaway,Pleasepointoutanymistakesandcorrect,Ihaveborrowedthedictionarysince3daysago.kept,buyhave/hashad,cometogotogotto,have/hasbeeninhave/hasbeeninhave/hasbeenin,join,have/hasbeenin,have/hasbeenamemberof,leave,have/hasbeenaway,borrow,have/haskept,Pleasepointoutanymistakesandcorrect,Thefilmhasbegunfor10minutes.beenon,buyhave/hashad,cometogotogotto,have/hasbeeninhave/hasbeeninhave/hasbeenin,join,have/hasbeenin,have/hasbeenamemberof,leave,have/hasbeenaway,borrowbegin,have/haskepthave/hasbeenon,Pleasepointoutanymistakesandcorrect,Theconcerthasfinished,forhalfanhour.,beenover,buyhave/hashad,cometogotogotto,have/hasbeeninhave/hasbeeninhave/hasbeenin,join,have/hasbeenin,have/hasbeenamemberof,leave,have/hasbeenaway,borrowbegin,have/haskepthave/hasbe