现在完成时课件教案资料.ppt

Unit1-Unit2Grammar 现在完成时的构成现在完成时的构成现在完成时的构成现在完成时的构成主菜单上一页下一页助动词助动词have(has）+过去过去分词分词过去分词的构成过去分词的构成上一页下一页 Typeoriginal p.t p.pcostcostcostreadreadreadmeetmetmetcatchcaughtcaught rideroderiddenspeakspokespokenkeepkeptkeptdrinkdrankdrunkeatateeatenABBAAA ABC主菜单陈述句肯定形式。述句肯定形式。主主语+have/has+过去分去分词+其它其它eg.Ihavehadlunch.已已经吃吃过午午饭了。了。HehasgonetoBeijing.他去北京了。他去北京了。陈述句否定形式。述句否定形式。主主语+have/has+not+过去分去分词+其它其它（在助（在助动词have/has后后+not，可，可缩写写为havent/hasnt）eg.Ihaventhadlunch.我我还没吃没吃饭HehasntgonetoBeijing.他他还没有去北京。没有去北京。上一页下一页主菜单 现在完成时的基本句型现在完成时的基本句型现在完成时的基本句型现在完成时的基本句型一般疑一般疑问句形式及其答句形式及其答语。Have/Has+主主语过去分去分词其它其它将助将助动词have/has提前，句末加提前，句末加问号）号）肯定回答：肯定回答：Yes,主主语have/has.否定回答：否定回答：No,主主语+havent/hasnt.HashegonetoBeijing?Yes,hehas./No,hehasnt.特殊疑特殊疑问句形式句形式（疑（疑问词+一般疑一般疑问句）句）特特词+have/has+主主语过去分去分词其其它？它？eg.Wherehashegone?他去了哪里他去了哪里？上一页下一页主菜单现在完成时的主要用法现在完成时的主要用法一一.表示过去发生或已完成的某一动作表示过去发生或已完成的某一动作对现在造成的影响和结果：对现在造成的影响和结果：强调结强调结果果。上一页下一页Hehasjustturned offthelight.(他刚把灯关了。)相当于：He turned off the light just now.The light isnt on now.即关灯这一动作对现在造成的结果和影响：现在灯不亮了。Ihavealreadyfinishedmyhomework.(我已经完成了家庭作业我已经完成了家庭作业。)主菜单二二.表示从过去已经开始一直持续到现表示从过去已经开始一直持续到现在的动作或状态：在的动作或状态：强调继续强调继续。上一页下一页Shehaslivedheresinceshewasborn.自从她出生时就一直住在这儿。IhavelearntEnglishformorethantenyears.我已经学了10多年的英语。现在完成时的主要用法现在完成时的主要用法主菜单三三.表示人曾有过或到目前为止从表示人曾有过或到目前为止从未有过的经历未有过的经历.上一页下一页HaveyoueverbeentotheSummerPalace?(你曾去过颐和园吗?)Ihaveneverhadacar.(我从未有过汽车。)现在完成时的主要用法现在完成时的主要用法主菜单汉译英1.我丢了我的历史书。2.我以前从来没去过那个农场。3.我妹妹成为一个学生了。4.他们已去了美国了。用have gone to 或 have been to/in填空。1)Where is Jack?He _ his country.2)_ you ever _ America?-Yes,I _ there many times.3)I _ this school since three years ago.4)Where is Jim?He _ the farm.has gone tobeen toHavehave been have been inhas gone to5)Where are the boy students?They _ the school factory.6)Is your father in?No,he _ _ to Shenzhen._he ever _ there before?Yes,he _ there several timeshave gone tohas gone toHasbeenhas been7)He asked me if I_ _ toHangzhou before.I told him that I wanted to go there for a visit as I_ never _ to that city before.have been havebeen1.你曾经吃过鱼和薯条吗？2.你看过这部电影了吗？在下列情形下用现在完成时在下列情形下用现在完成时 1 九词语九词语already 已经已经 肯定句中或句尾肯定句中或句尾 例:I have already found my pen.=I have found my pen already.yet已经已经 否定句和疑问句句尾否定句和疑问句句尾 例：I have not finished the work yet.Have you bought a computer yet?ever曾经曾经 句中句中 例：Have you ever seen pandas?never从不从不 句中 例：I have never been to Beijing.just刚刚刚刚 句中 例：I have just done my work.before以前以前 句尾 例：I have never been there before.在下列情形下用现在完成时在下列情形下用现在完成时so far到目前为止到目前为止 例：So far he has learnt 200 words.how long多久多久 例：How long have you lived here?how many times多少次多少次 例：How many times has he been to Beijing?在下列情形下用现在完成时在下列情形下用现在完成时2 两词组两词组 havegone to去了某地 例：He has gone to Beijing (去了北京)havebeen to去过某地 例：He has been to Beijing.(去过北京)在下列情形下用现在完成时在下列情形下用现在完成时3.两结构两结构since和和for的用法的用法 在下列情形下用现在完成时在下列情形下用现在完成时 sincesince Mr.Smith has worked here since 1984.（1984年以来，史密斯先生一直在这工作。）I have known Daniel since 7 years ago.（自从7年前我就认识丹尼尔。）Hes learned about 500 words since he went to college.（他上大学以来大约学了五千个英语单词）上一页下一页主菜单一个时间点一个时间点一段时间一段时间ago从句从句 forfor一段时间一段时间（two weeks/six months/five daystwo weeks/six months/five days）forfor短语短语表示动作延续多长时间表示动作延续多长时间 。He has taught in this school for four years.（我们认识有二十年了。）I havent seen her for a long time.（我好久没有见到她了。）上一页下一页主菜单现在完成时态还常常用于下列句型现在完成时态还常常用于下列句型 例：例：They have planted many trees in the last few years.在过去的几年，他们已经种了很多树。例：例：This is the best book I have ever read.这是我曾经读过的最好的一本书。例：例：It is the first time I have played the computer games.这是我第一次玩电脑游戏。e.g.Ihavebeeninthenewschoolforaweek.foraweeklastweekfor+时间段时间段我已经来新学校一周了。我已经来新学校一周了。e.g.LilyhasbeenawayfromhomesincelastFriday.sincelastFridaylastFridaypresentpastsince+时间点时间点Lily自从上周五就离开了家。自从上周五就离开了家。Fillintheblankswithfororsince.1.Hisfatherhasbeendead_manyyears.2.Hehasbeenawayfromthearmy_sevenyearsbecauseofalegwound.3.HehasbeeninBeijing_2003.4.HehasbeenamemberofHelpersClub_2004.5.Hehashadahouse_2005.6.Hehaskeptthecar_oneyear.forforsincesincesincefor在现在完成时中，一次性动词不能在现在完成时中，一次性动词不能和一段时间状语连用和一段时间状语连用例：例：He has bought the book for 3 years.因因buy这个一次性动词不能和一段时间这个一次性动词不能和一段时间for 3 years连用连用buyhavehavehadHe has had the book for 3 years.(错错）since8:00Thewomanlefthomeat8:00.for2hours8:00present10:00past短暂性动词短暂性动词延续性动词延续性动词leavebeawayfromShehasbeenawayfromhomesince8:00.=Shehasbeenawayfromhomefor2hours.Heboughtacomputerin2007.fortwoyears2007present2009pastsince2007Hehashadacomputersince2007.=Hehashadacomputerfortwoyears.短暂性动词短暂性动词延续性动词延续性动词buyhaveborrowkeeplosebelostbreakbebrokenopenbeopenclosebeclosedstopbeoverbegin/startbeonfinish/endbeovergetupbeupgetmarriedbemarriedcome/arrive/getto/reach/gobehere/in/at下一页还有其它的归纳如下：还有其它的归纳如下：come-leave-gettoknow-die-buy-borrow-marry-catchacold-join-fallill-bebeaway(from)knowbedeadhavekeepbemarriedhaveacoldbeamemberof/beinbeill1.Hisfather_(die)in1992.Hisfather_formanyyears.2.He_(leave)thearmybecauseofalegwoundin2002.He_thearmyfornineyearsbecauseofalegwound.3.He_(come)toBeijingin2003.He_Beijingsince2003.diedhasbeendeadlefthasbeenawayfromcamehasbeenin4He_(join)HelpersClubin2004.He_amemberofHelpersClubsince2004.5.He_(buy)ahousein2005.He_ahousesince2005.6.He_(borrow)thecarin2009.He_thecarfortwoyear.joinedhasbeenboughthashadborrowedhaskeptChoosethebestanswer.1.Hisfather_thePartysince1978.joined.hasjoined.was.hasbeenin2.Howlonghaveyou_here?Ae.arrived3.Hurryup!Theplay_fortenminutes.hasbegun.hadbegun.hasbeenon.beganChoosethebestanswer.4.Myparents_Shandongfortenyears.havebeento.havebeenin.havegoneto.havebeen5.Hisuncle_formorethan9years.A.hascomehereB.hasstartedtoworkC.haslivedthereD.haslefttheuniversity下一页下一页上一页上一页主菜单主菜单Thefilmhasbeenonforfiveminutes.HehasbeeninthePartyforfiveyears.电影开始五分钟了。电影开始五分钟了。Itisfiveminutessincethefilmbegan.Thefilmbeganfiveminutesago.ItisfiveyearssincehejoinedtheParty.HejoinedthePartyfiveyearsago.他入党五年了。他入党五年了。翻翻 译译 练练 习：习：1.1.我买了这块手表五年了。我买了这块手表五年了。2.2.这位老人已经死了十年了。这位老人已经死了十年了。Ihaveboughtthiswatchforfiveyears.Ihavehadthiswatchforfiveyears/since5yearsago.Theoldmanhasdiedfortenyears.Theoldmanhasbeendeadfortenyears/since10yearsago.WW下一页上一页主菜单 3.3.他已经回来三天了。他已经回来三天了。4.4.我离开家乡已十年了。我离开家乡已十年了。Hehascomebackfor3days.Hehasbeenbackfor3days/since3daysago.Ihavelefthometownfor10years.Ihavebeenawayfromhometownfor10years.WW下一页上一页主菜单上一页主菜单动动 词词 填填 空：空：1._youalready_(clean)theroom?-Yes,we_(do)thatalready.-When_you_(do)it?-We_(do)itanhourago.Havecleanedhave donediddodid下一页上一页主菜单 2_ he _(see)this film yet?Yes.-When _ he _(see)it?-He _ it last week.3._you ever _(be)there many times?HasseendidsawseeHavebeen4.I _(read)the novel twice.Its interesting.5.She _(go)to Pairs,hasnt she?Yes.6.How _ she _(go)there yesterday?She _(go)there by air.have readhas gonedidgowent下一页上一页主菜单选用选用 for和和 since填空填空:1.We havent seen each other _ a long time.2.His father has been in the Party _ 10 years ago.3.The film has been on _ 20 minutes.4.Mr Green has worked here _ he came to China.5.His grandparents have been dead _ several years.6.Its five years _ we met last time.forsinceforsinceforsince下一页上一页主菜单改改 错错1.The film has stopped for an hour.2.I have borrowed this book for two weeks.3.Kitty has bought a book since last week.4.Our manager isnt in today.He has been to Guangzhou.beenoverkeptgone下一页上一页主菜单had