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1、江苏省怀仁中学高一英语M2U1学生版Grammar一、现在完成时1、构成_____________________2、用法I表示________发生的事对________具有影响。1）Justinhasdisappeared,soKellyisverysad.2）Theboyishappy.Hehascaughtabird.II表示________开始的动作一直延续到_______或者___________。1）IhavenotseenJustinsinceLastFridaynight.2)DanielhaslivedinBeijingsincehecametoChina.I
2、II表示动作的确切时间不明确或不重要。此时下列词汇经常和现在完成时连用：already,ever,never,for,just,lately/recently,since,yet。1）Theboyhasalreadycomehome.2）Ihaven’theardanythingfromhimyet.其中，for+一段时间，since+某个时间点。e.g.Wehaven’tseenhimfortwodays.Wehaven’tseenhimsincelastMonday.IV表示到现在为止的一段时间内________的动作。1）Somevillagerssaythattheyh
3、aveseenUFOsmanytimes.2）Ihaveadvisedhimtogiveupsmokingmanytimes,buthejustwon’tlistentome.V现在完成时还可用于下列句型中：This/Itisthebest/finest/mostinteresting…+that-clause,This/Itisthefirst/second…time+that-clause,that从句中的谓语动词一般用现在完成时。Itis/hasbeenaperiodoftimesince+一般过去时1）ThisisthebestbookthatIhaveread.2）I
4、tisthefirsttimethatIhaveseenthefilm.3）Itis/hasbeenalongtimesinceIcametoWuxi.3、注意1）现在完成时不和明确的表示时间的词连用，如yesterday,lastweek,in1976等。2）表示短暂意义的动词，如begin,leave,arrive,return,stop,open,go,come,die等，不能与表示一段时间的状语连用。*ReadthefollowingsentencesandsayTorF.(1)HehascometoBeijingsincelastyear.(2)Hehasbeenhe
5、reforthreeyears.(3)Hehasjoinedthearmyforthreeyears(4)Hehasbeenasoliderfor3years.(5)Itis3yearssincehejoinedthearmy.(6)Hehasjoinedthearmy.二、现在完成进行时1、构成_____________________________e.g.Ihaven’tbeensleepingwellsinceIreturnedhome.2、用法表示动作从______开始一直延续到________，可能刚刚停止，也可能仍然在进行。1）---Sorry,I’mlate.H
6、aveyoubeenwaitinglong?---Yes.I___________________________(wait)foranhour.2)Sheisverytired.She___________________________(work)allmorning.3)Themanstartedworkinginthefieldhalfanhourago.Heisstillworkingnow.Theman_________________(work)inthefieldforhalfanhour.4)Theboystartedhavingdinnerfiveminut
7、esago.Heisstillhavingdinnernow.Theboy________________(have)dinnersincefiveminutesago.3、注意现在完成进行时多用持续性动词，如do,live,learn,lie,stay,wait,stand,study等，常和allthetime,thisweek,thismonth,allnight,allthemorning,recently等表示现在之前这一段时间的状语以及since和for引导的时间状语或从句连用。
