【湖南师大】高中英语 M2U1 Grammar(1)精品课件 牛津版必修1

高一英语Module2Unit1Grammar(1)Grammarandusage

Form:have/has+done

thePresentPerfectTense现在完成时态have

studiedhavelivedhavereadhasfinished1.We___________(study)Englishforaboutfiveyears.2.They_________(live)inthesouthsincetheirdaughterwasborn.3.I_________(read)yourarticlethreetimes.It’swellwritten.4.Thestudent___________(finish)herhomeworkalready.5.Eric_________(go)backtohishometowntoday.6.Thepolice________________(justfinish)searchingthearea.hasgonehavejustfinishedPointoutwhattenseortensesareusedinthesentencesandthereasonswhytheyareused.1.Webegan

tostudyEnglishfiveyearsago.Wehavestudieditforaboutfiveyears.2.Theymoved

tothesouthin1990andhavelivedtheresincethen.3.Ericlefthomelastyearandhasjustcomeback.4.Mybrotherwenttoseemygrandpalastweek.Hehasvisitedhimthreetimesthismonth.5.Hehasjustgoneout.(=Hewentoutafewminutesago.Heisn’therenow.)6.Ihavejustheardthenews.(NowIknowthenews.)Weusethepresentperfecttensewhentheexacttimeofanactionisnotclearorimportant.Weuseitwithtimeexpressionssuchas:already,ever,for,just,lately,never,recently,since,yet,sofar,inthepastfiveyears…Notes

Theboyhas

alreadycomehome.Ihaven’theardanythingfromhimyet.Wehavelivedtherefortwoyears.Wehaven’tseenhimsince2002.

Wehavelearned4lessonssofar.GreatchangeshavetakenplaceinChinainthepast60years.Wesawhimin2002.Weusealready

for

affirmativestatementsand

yet

for

negativestatementsandinterrogativesentences.2.Weusefor+aperiodoftime

andsince+apointoftime.Notes:Lookatthesentencesandfindthedifference.Tomhasrungupthreetimesthismorning.Nowitisstillinthemorning.Tomrangupthreetimesthismorning.Nowitisnotstillinthemorning.Billhassmokedsinceheleftschool.Hestillsmokes.Billsmokedforsixmonths.Itmeansthathestoppedsmokingthen.Tomhashadabadcarcrash.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.---_____you____dinner?---Yes,I____itwithMary.(have)3_____thepostman_____yetthismorning?(come)____thepostman_____thismorning?(come)hadHaveseenHavecomeDidcomeHavehadsaw4.---Ican’tfindmyCD.Where_____you____it?---I____itintheleftdrawer.(put)5.He_________greatprogressinthepasttwoyears.(made)6.They_____ahardlifeinthepast.(live)

haveputputhasmadelived---Where______therecorder?Icannotseeitanywhere.

---I____itrighthere,butnowitisgone.

A.didyouput,haveput,

B.haveyouput,put

C.hadyouput,wasputting

D.wereyouputting,haveputPracticeP.8(2)__________(3)__________(4)__________(5)__________(6)__________(7)____________(8)____________(9)____________(10)___________(11)___________Answersforthediary.sawhasvisitedloveshasn’tvisitedhasseenhasnevermethastravelledhasfoundhasn’tfoundHas,beenStructuresconnectedwiththepresentperfecttense:

1)Itis(hasbeen)+aperiodoftime+since-clause.2)This(That/It)isthefirst(second…)