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1、现在完成时态的用法基本结构：肯定：主语+have/has+过去分词+其他。否定式：主语+haven't/hasrft+过去分词+其他。•般疑问式:Have/Has+主语+过去分词+其他简略答语:Yes,主语+have/has.（肯定）No,主语4-haven't/hasn*t.（否定）现在完成时态用法一:动作发生在过去,一直延续到现在,可能还会继续。（如图）•现在该用法中常用词:for,since,howlong.例如：Sc后跟时间段,后跟过去时间点或者是过去时态的句子。HowlonghaveyoulearnedEnglish?IhavelearnedEnglishfortenyears.
2、IhavelearnedEnglishsincetenyearsago.注意：此用法中还要注意，因为要表示动作一直延续到现在，所以主句中的动词要选择表延续性的动词。例如：Hehasbeendeadfortenyears.（bedead是die的延续性词）Hehasbeenawayfortwohours,（beaway是leave的延续性词）常见瞬间动词与延续动词的转换：come/go/arrive/getto/reach―beins.p.leave一beawaybuy一havedie一bedeadborrow一keepjoinsth.-beinsth•/beamemberof…comeba
3、ck一bebackbecomesth.一besth.begintodosth一dosth（begintowork一work）begin-beongetmarried一bemarriedfallasleep・beasleepcatchacold一haveacold试一试：（一）用since和for填空1)twoyearslastmonthshelefthere4hourstwoyearsagoanhourago4(/clocklunchtimeyesterday1999fivedays(二)选择1.一-HowlonghaveMr.andMrs.Smith?-一Formorethantwent
4、yyears.A・mairiedB.hadmamedC.gotmarriedD.beenmarried2.Hissisterherhometownforthreeyears.She'llreturnnextyear-A.leftB.hasleftC.hasbeenawayD.hasbeenawayfrom3.Howlonghaveyouthisbook?A.boughtB.boiTowedC.hadD.lent4.Wehavelivedherefiveyearsago.A.whenB.sinceC.beforeD.for5-Theastronautissotiredthatheforele
5、venhours.A.hasbeenasleepC.hasgonetobedB.hasfallenasleepD.hasgonetosleep表示过去某个动作发生过,对现在造成影响。（如图）现在此用法中常用词有:alwadv,Vgiushbefore^lately^recently^ever/never^sofar,inthepast(last)tenyears...丿。(注意:already,just常用于肯定,yet常用于疑问和否定,其他词都可以。)例如:Hehasalreadycomeback.Hehasjustcomeback.Hehasn'tcomebackyet.Haveyou
6、everreadthisnovel?Haveyouheardfromhimrecently?注意：此用法中的动词多表示瞬间性动词，也有延续性动词出现，但是要正确理解其含义。例如：Hehasdied.他已经去世。Hehasbeendead.他去世过。Hehasmarried.他已婚。Hehasbeenmarried.他结过婚。试一试：1•—WouldyouliketogoandseeAvatarwithmetonight?—Thankyouverymuch,butIitalready.A.seeB.willseeC.haveseenD.amseeing2.manystudentsinChin
7、aevertowesternersbefore?A.Are,speakingB.Do,speakC.Did,speakD.Have,spoken3.HehasbeentoDisneyland.Heexpectstogothereduringthesummerholiday.A.everB.evenC.yetD.never4.一Haveyoufinishedyourhomework?一NotA.everB.alreadyC
