高二英语课件1.ppt

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1、高二英语Module2Unit1Grammar(1)教师：李小波2012年6月6号GrammarandusageForm:have/has+donethePresentPerfectTense现在完成时态havestudiedhavelivedhavereadhasfinished1.We___________(study)Englishforaboutfiveyears.2.They_________(live)inthesouthsincetheirdaughterwasborn.3.I_________(read)yourarticlethreet

2、imes.It’swellwritten.4.Thestudent___________(finish)herhomeworkalready.5.Eric_________(go)backtohishometowntoday.6.Thepolice________________(justfinish)searchingthearea.hasgonehavejustfinishedPointoutwhattenseortensesareusedinthesentencesandthereasonswhytheyareused.1.Webegantostu

3、dyEnglishfiveyearsago.Wehavestudieditforaboutfiveyears.2.Theymovedtothesouthin1990andhavelivedtheresincethen.3.Ericlefthomelastyearandhasjustcomeback.4.Mybrotherwenttoseemygrandpalastweek.Hehasvisitedhimthreetimesthismonth.5.Hehasjustgoneout.(=Hewentoutafewminutesago.Heisn’theren

4、ow.)6.Ihavejustheardthenews.(NowIknowthenews.)Weusethepresentperfecttensewhentheexacttimeofanactionisnotclearorimportant.Weuseitwithtimeexpressionssuchas:already,ever,for,just,lately,never,recently,since,yet,sofar,inthepastfiveyears…NotesTheboyhasalreadycomehome.Ihaven’theardanyt

5、hingfromhimyet.Wehavelivedtherefortwoyears.Wehaven’tseenhimsince2002.Wehavelearned4lessonssofar.GreatchangeshavetakenplaceinChinainthepast60years.Wesawhimin2002.Weusealreadyforaffirmativestatementsandyetfornegativestatementsandinterrogativesentences.2.Weusefor+aperiodoftimeandsin

6、ce+apointoftime.Notes:Lookatthesentencesandfindthedifference.Tomhasrungupthreetimesthismorning.Nowitisstillinthemorning.Tomrangupthreetimesthismorning.Nowitisnotstillinthemorning.Billhassmokedsinceheleftschool.Hestillsmokes.Billsmokedforsixmonths.Itmeansthathestoppedsmokingthen.T

7、omhashadabadcarcrash.He’sprobablystillinhospitalnow.Tomhadabadcarcrash.Heisprobablyoutofhospitalnow.Hello!I__________(know)you____(be)hereinNanjing.Howlong____you_____(be)here?didn’tknowhavebeenwere过去时与现在完成时的区别1.---_____you_____mypen?---Yes,I____itonyourdeskjustnow.(see)2.---____

8、_you____dinner?---Yes,I____itwithMary.(h