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1、Present Perfect Tense(现在完成时现在完成时)一、什么叫现在完成时一、什么叫现在完成时 1. I have just lent my book to John. (I dont have the book now. ) 现在完成时表示动作发生在过去，但现在完成时表示动作发生在过去，但和现在情况有关，既用一个发生在过和现在情况有关，既用一个发生在过去的动作来说明现在的情况。去的动作来说明现在的情况。2. My uncle has lived in that street since he came to this city. (He began to live there m
2、any years ago,he lives there now and he will go on living there.)Exercises: 一、按要求变化下列各句。1.Shehaslistenedtoapieceofforeignmusic.（否定句）（否定句）2.Ihavegotsomethingimportanttodo.（一般疑问句）（一般疑问句）3.Haveyouevertraveledonatrain?（否（否定回答）定回答）She hasnt listened to a piece of foreign music.Have you got anything impor
3、tant to do.No，I havent4.Hefinishedreadingastory-book.（改成现在完成时）（改成现在完成时）5.LiLeihaseatensomedumplingsforhisbreakfast.（对划线问）（对划线问）6.Iveworkedoutthemathsproblem.（对划线部分提问）（对划线部分提问）Who has worked out the maths problem?What has Li lei eaten for his breakfast?.He has already finished a story book.构成have/has
4、 + 动词过去分词had breakfastIm not hungry now用法一用法一：表示过去发生或已经完成的动作对现在造成的影响或：表示过去发生或已经完成的动作对现在造成的影响或结果。结果。nowpastI have ever had my breakfast.(现在我不饿现在我不饿)时间状语时间状语： ever,never,just,already,yet,before，twice,during/overtheyears 二、用所给动词的适当形式填空。1.-Are you sure you _ (lose) the book?-Yes. I _ (look) for it every
5、where. But I still_ (can not) find it.2. - _ you _ (take) the medicine yet?-Yes, I _ (take) it half an hour ago.3. I _ (never, meet) her sister before.4. He _ (just, watch) a football game. He is so tired and hungry now.5. -How many times _ you _ (read) this book?-I _ (read) it several times.have lo
6、sthave lookedcantHavetakentookhave never methas just watchedhavereadhave read6. My brother _ (buy) a car last month.7. -Where is Joan? -She _ (go) to the cinema.8. You can turn off the radio now. I _ (hear) the news already. I _ (hear) it at 8 oclock. 9. Jack _ (not find) his watch yet.10.- _ Wei Fa
7、ng _ (come) yet? - Yes, she _ (come) already. - When _ she _ (come)? - She _ (come) just now.boughthas gonehave heardheardhasnt foundHas comehas comedid comecamemoved herein 2000I still live herepastnow用法二用法二：表示开始于过去并持续到现在的动作或状态。：表示开始于过去并持续到现在的动作或状态。for+一段时间一段时间一段时间一段时间+agoSince+时间的点时间的点主语主语+谓语（谓语（过
8、去式过去式）（动词多为（动词多为延延续性动词续性动词）I have lived here for eight years.I have lived here since 2000.I have lived here since eight years ago.forsincesinceagosince和和for:1)EddiehaslivedwithMilliesince2001.EddiehaslivedwithMilliesince4yearsago.EddiehaslivedwithMilliesincehewasborn.小结小结:since+时间点时间点（词、词组或句子）词、词组或句
9、子）2) EddiehaslivedwithMillieforfouryears.小结小结:for+时间段时间段3)对以上句子划线部分提问对以上句子划线部分提问:HowlonghasEddielivedwithMillie?1.WehavelearnedEnglish_GradeThreeinprimaryschool.WehavelearnedEnglish_fiveyears.2.Hehasntfeltwell_lastnight.Hasheseenthedoctor?3.Ihavereadthisstorybook_threedaysago.Ihaventfinishedreadingi
10、tyet.选用选用since或或for填空填空:sinceforsincesince4.Ithassnowed_twodays.Everythingiscoveredwithsnow.5.Wehavecleanedtheclassroom_halfanhour.6.Wehavestudiedatthisschool _ 2003.forforsince非延续性动词与现在完成时非延续性动词与现在完成时非延续性动词在肯定句、疑问句中不能与非延续性动词在肯定句、疑问句中不能与for,since,howlong等时间段连用，这些动词是：等时间段连用，这些动词是：begin/start,buy,borr
11、ow,arrive,come/go,die,getmarried,join,leave,stop等。为了表述这种意思，我们常用相应的延续性动词等。为了表述这种意思，我们常用相应的延续性动词have，keep等来代替非延续性动词。等来代替非延续性动词。Forexample:1.KittyhasleftBeijingfortwodays.KittyhasbeenawayfromBeijingfortwodays.leavehave/hasbeenaway常见非延续性动词和延续性动词的转变常见非延续性动词和延续性动词的转变arrive/come/go to die become a borrowLe
12、ave/ move buy openjoin start/begin finish/ endcatch a cold get up get to know get out close wake upgo to sleepbecome interested in beinbedeadhavekeepbeaway/beoutbeabein/amemberofbeopenbeonbeoverhaveacoldbeupknowbeoutbeclosedbeawakebeasleep/sleepbeinterestedin瞬间动词与延续性动词的转换瞬间动词与延续性动词的转换这本书我已经借了三星期了这本书
13、我已经借了三星期了。1.borrowhave/haskept一般过去表达：一般过去表达：-Iborrowedthebookthreeweeksago.用现在完成时态表达用现在完成时态表达(用延续性动词用延续性动词)Ihavekeptthebookforthreeweekssincethreeweeksago.用用itis/hasbeen+一段时间一段时间+since从句从句(用动词的过去式用动词的过去式)Itis/hasbeenthreeweekssinceIborrowedthebook.一段时间一段时间+haspassed+since从句从句(用动词的过去式用动词的过去式)Threewee
14、ks haspassedsinceIborrowedthebook.翻译下列句子。翻译下列句子。1.Tom已经死了已经死了3年了。年了。Tom has died for three years.Tom has been dead for three years.diehave/hasbeendead2.自从去年我就买了一辆自行车。自从去年我就买了一辆自行车。I have bought a bike since last year.I have had a bike since last year.buyhave/hashadExercisesTom 在哪儿？ 他去书店买书了。我在北京待了5年了
15、。Jack 去过上海两次了-WhereisTom?-Hehasgonetothebookshoptobuysomebooks.IhavebeeninBeijingfor5years.JackhasbeentoShanghaitwice.把下例句子译成英语把下例句子译成英语:1南京自南京自1995年以来发生了很大的变化年以来发生了很大的变化.2南京已经成为一个现代化的城市南京已经成为一个现代化的城市.3你们在这个乡村住了多久了你们在这个乡村住了多久了?4他结婚了吗他结婚了吗?是的是的,他已经结婚他已经结婚6年了年了.Nanjinghaschangedalotsince1995.Nanjingha
16、sturnedintoamoderncity.Howlonghaveyoulivedinthevillage?Hashegotmarried?yes,hehasbeenmarriedforsixyears.1.He_(wait)foranhour.2.I _(not finish) theworkyet.3._ you _ (know) himsincethen?4.I _ (not hear) from mybrotherforalongtime.5.We _ (be) there manytimessince3yearsago.Fillintheblankswiththecorrectfo
17、rmsoftheverbs.haswaitedhaventfinishedHaveknownhaventheardhavebeen6.Howlong_you_(stay)athomealready?7. He _ (not read) the bookbefore.8.Hersister_(go)toChangchun.She_(leave)thismorning.9.He_(live)inhishometownsincehelefthere.10.Thewriter_(finish)severalstory-bookssince1990.havestayedhasntreadhasgonel
18、efthaslivedhasfinishedCorrecting 1.Ihaveborrowedthebookfor3months.2.Mybotherhasjoinedthearmysincehewas18.3.JackandTomhavelivedheresince5years.4.ThefilmhasbeenonsinceIhavecometothecinema.5.WhenhasMr.Licaughtabadcold? havekepthasbeenin/beenamemberofthearmysince5yearsago/for5yearscamedidcatch6. Ten yea
19、rs have passed since they got married.7. Jim has gone to Beijing for 2 years.8.What time have the factory opened?9.I have gone to Chunhua Middle School twicehashasbeenindidopenbeento10.Thestudentshascleanedtheclassroom.Theclassroomiscleannow.11.Mumhascooksupper.Supperisreadynow.12.Iseethenewfilm.Itisinteresting.13.Hisfamilylivedheresince2000.14.Itryonthehat.Itdoesntsuitme.havecookedhaveseenhavelivedhavetried
