资源描述：
《MU现在完成时和现在完成进行时.doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、MU现在完成时和现在完成进行时————————————————————————————————作者：————————————————————————————————日期：M2U1Grammar--PresentPerfectandPresentPerfectcontinuous(现在完成时和现在完成进行时)一、现在完成时1.基本用法1)表示一个动作从过去某一时刻开始，一直持续到现在。常见时间状语lately/newly/recently,inthelast/pastthreeyears,for+一段时间，since+过去时间,sin
2、ce引导的状语从句uptonow,sofar等2)表示发生在过去的动作对现在产生影响或结果。常用状语just,already,yet,ever,never,before等3)表示说话前发生过一次或多次的动作。twice,threetimes,manytimes,severaltimese.g.Jimisstilldoingherhomework.Hehasn’tfinishedyet.Ihavereadyourarticlethreetimes.Itiswellwritten.Inthepasttwoyears,hehasvisit
3、ed3countries.---Haveyouseenmypen?---Yes,Isawitonyourdeskjustnow.注意：在现在完成时中，终止动词若与for,since等延续状语连用，要把终止动词变成延续性动词eg:Shehasleftschoolfor15years.Shehasbeenawayfromschoolfor15years.ShehasmarriedJacksince1995.ShehasbeenmarriedtoJacksince1995.die-bedead;join-bein;fallill-beil
4、l;leave(go)-beaway;begin-beon;marry-bemarriedto;borrow-keep;getready-beready;buy-have;dress-bedressedin①Hejoinedthearmythreeyearsago.Hehas_______________thearmyforthreeyears.②Iboughtthisbooktwodaysago.Ihave_____________thebookfortwodays.③JanemarriedSmithtenyearsago.Jan
5、ehas________________Smith_fortenyears.2.常用句型1)Itisthefirst/secondtime....that…结构2)Itis/hasbeen……since"所使用的两种时态都正确。e.g.ItisthefirsttimethatIhavevisitedBeijing.eg:Itis/hasbeen10yearssinceIlastsawhim3.比较一般过去时与现在完成时1)句中有具体的过去时间，不能用完成时态，如含有ago，lastyear，justnow，theotherday等。
6、Wetookanexamyesterday,butwe________________(notknow)theresultyet.Thethreeofus_________(travel)aroundEuropeforaboutamonthlastsummer.2)现在完成时强调的是这一动作与现在的关系，即对现在的影响。一般过去时强调的只表示动作在过去某时发生，不表示和现在有关系。Myfather_______(smoke)fortenyears.Nowhehasgivenupsmoking.I_______(live)inLond
7、onfortwoyears,butIneverregretmyfinaldecisiontomovebacktoChina.Practice:1.I______mynewbike,soIhavetogotoschoolonfoot.A.lostB.havelostC.hadlostD.waslosing2.—Look!Somebody______thesofa.—Well,itwasn’tme.Ididn’tdoit.A.iscleaningB.wascleaningC.hascleanedD.cleaned3.—Kevin，you
8、lookworried.Anythingwrong?—Well，I______atestyesterdayandI'mwaitingfortheresult.A．willtakeB．tookC．hastakenD.take4.—___
