8B Unit 1 现在完成时的时间副词(课堂PPT)

1,现在完成时的时间副词,2,一、since短语或从句表示过去的动作延续至今，since之后的时间为一点。Mr.Smithhasworkedheresince1984.1984年以来，史密斯先生一直在这工作。Heslearnedabout5,000Englishwordssincehewenttocollege.他上大学以来大约学了五千个英语单词。,3,二、for短语表示动作延续多长时间，for的宾语为时间段。Wehaveknowneachotherfortwentyyears.我们认识有二十年了。Ihaventseenherforalongtime.我好久没有见到她了。,4,三、just,recently是完成时的时间状语，justnow有amomentago之意，是一般过去时的时间状语。Thetrainhasjustarrived.火车刚到。DidyouseeJoanjustnow?你刚才看到琼了吗？Haveyouheardfromyourfamilylately/recently?你最近收到家人的来信了吗？,5,四、ever和never也是现在完成时常见的时间状语。前者意思是“曾经”，多见于疑问句或否定句中；后者意思是“从来没有”，表示全部否定。“Haveyoueverseenthefilm?”“No.Ihaveneverseenit.”“你曾经看过这部影片吗？”“没有，从来没看过。”Nobodyinourclasshaseverbeenthere.我们班没有人去过那。,6,五、already和yet常见于现在完成时中，有“已经”之意。前者一般用在肯定句中，后者用在疑问句中。yet在否定句中有“还”之意。“Hasthebusleftyet”?“Yes.Ithasalreadyleft.”(“No.Ithasntleftyet.)“汽车开走了吗？”“是的，已经开走了。”“不，还没有开走。”,7,六、“already”用于现在完成时的肯定句中,“yet”用于现在完成时的否定句和疑问句中.用“already”“yet”填空。Hehas()visitedmanyplacesinChina.注意already在句中的两种位置.Thetrainhasntarrived（）.火车（到现在）还没有到。Hasshearrived（）?她已经到了吗？Hasnthecome（）?她还没来吗？,already,yet,yet,yet,8,MakingsentencesMr.Wuasksthestudentstocompletethesentencesbelowusingthepresentperfecttense.Helpthemcompletethesentences.They_(go)tothecinemaalready.MrAndMrs.Li_(notcome)backyet.John_(be)totheUSAafewtimes.We_(notsee)thatfilmyetI_(nottalk)tomycousinsincelastFriday.You_(notvisit)meforalongtime.,havegone,havenotcome,hasbeen,havenotseen,havenottalked,havenotvisited,9,现在完成时和一般过去时的区别,Haveyouseenthefilm?Yes,I_itlastweekend.现在完成时强调的是现在一般过去式强调的是过去，常和表示过去的时间连用。,saw,10,现在完成时和一般过去时,He_(work)inourschoolforoneyear.He_(come)toourschoollastyear/in2002.They_(cook)thesupperalready.They_(cook)thesupperhalfanhourago.,hasworked,came,havecooked,cooked,11,当在肯定陈述句中含有already或just时，在转换成否定句或疑问句时，要把句中的already或just去掉，在句末加上yet.,Ihaventseenthefilmyet.,Ihavedonemyhomeworkalready.,Ihaventdonemyhomeworkyet.,Motherhasjustcleanedthehouse.,Motherhasntcleanedthehouseyet.,Ihaveseenthefilmalready.,12,()1.Ihavefinishedmyhomework_.Haveyoufinishedyourhomework_?A.yet,yetB.yet,alreadyC.already,yetD.already,already,单项选择:,13,()2.IhaventseenKate_4months.A.AlreadyB.sinceC.forD.yet()3.Hehas_seenthefilmHarryPotter.Soheknowsnothingaboutit.A.alreadyB.everC.neverD.yet,14,()4.Shehasbeenillinbed_twodaysago.A.sinceB.inC.duringD.for()5.Haveyouseenhim_?No,Ihavent.A.alreadyB.neverC.everD.recently,15,()6.Ihave_watchedawonderfulfilm.Itsreallyinteresting.A.yetB.justC.justnowD.never,16,()7.Mike_thebookshop.Ihavetowaitforhim.A.wenttoB.wasinC.hasbeentoD.hasgoneto,17,()8.Oh,MrsKing,yourdresslooksverynice.Isitnew?No,I_itsincetwoyearsago.A.hadB.boughtC.havehadD.havebought,18,()9._you_aticketforthefootballmatch?Notyet.A.Is,boughtB.Are,boughtC.Has,boughtD.Have,bought,19,()10.Whatanicedog!Howlonghaveyouhadit?_twoyears.A.ForB.SinceC.InD.Before()11.Greatchanges_inChinasince1978.A.washappenedB.havehappenedC.havebeenhappenedD.happened,20,()12.Tom_alotoffriendssincehecametoChinalastyear.A.madeB.makesC.ismakingD.hasmade()13.“TheWorldWithoutThieves”isaverymovingfilm.I_ittwicealready.A.willseeB.sawC.seeD.haveseen,21,()14.They_sincethefactoryopened.A.haveworkedthereB.haveworkedhereC.workedthereD.workedhere()15.Lucy,_you_yourticket?Notyet.A.did,findB.have,foundC.has,foundD.do,find,22,()16.WhatareyougoingtodothisSaturday?I_yet.A.haventdecidedB.wontdecideC.amnotdecidedD.didntdecide,23,1.He_(notfinish)thehomeworkyet.Hewilltrytofinishitquickly.2.Myfamily_(live)inNanjingsince1996.3._you_(know)himsincethen?,Morepractice,hasntfinished,haslived,Have,known,24,4.They_already_(decide)togotoKunmingfortheholiday.5.We_(move)tothenewflatsincelastmonth.6.Thegirl_(learn)Englishforabouttwoyears.,have,decided,havemoved,haslearned,25,7.MyfatherwenttoBeijingtwoweeksago.I_(notsee)himsincethen.8._Tom_(write)letterstoyourecently?9.Jacksmo