现在完成时课件.ppt

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1、Unit 1-Unit2Grammar,现在完成时态,现在完成时的构成,主菜单,上一页,下一页,助动词have (has）+ 过去分词,过去分词的构成,上一页,下一页,ABB,AAA,ABC,主菜单,陈述句肯定形式。主语+ have/has+ 过去分词+其它eg. I have had lunch.已经吃过午饭了。 He has gone to Beijing. 他去北京了。 陈述句否定形式。主语+ have/has+ not+过去分词+其它（在助动词have/has后+not，可缩写为havent/hasnt）eg. I havent had lunch. 我还没吃饭 He hasnt go

2、ne to Beijing. 他还没有去北京。,上一页,下一页,主菜单, 现在完成时的基本句型,一般疑问句形式及其答语。Have/Has+主语过去分词其它将助动词have/has提前，句末加问号） 肯定回答：Yes , 主语 have/has. 否定回答：No , 主语+havent/hasnt.Has he gone to Beijing? Yes, he has./No, he hasnt.特殊疑问句形式（疑问词+一般疑问句）特词+ have/has+主语过去分词其它？eg. Where has he gone? 他去了哪里？,上一页,下一页,主菜单,现在完成时的主要用法,一.表示过去发生

3、或已完成的某一动作对现在造成的影响和结果：强调结果。,上一页,下一页,He has just turned off the light. (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。,I have already finished my homework.(我已经完成了家庭作业。),主菜单,二.表示从过去已经开始一直持续到现在的动作或状态：强调继续。,上一页,下一页,She has lived here since she was born.自从她

4、出生时就一直住在这儿。,I have learnt English for more than ten years.我已经学了10多年的英语。,现在完成时的主要用法,主菜单,三.表示人曾有过或到目前为止从未有过的经历.,上一页,下一页,Have you ever been to the Summer Palace?(你曾去过颐和园吗?),I have never had a car. (我从未有过汽车。),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

5、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 to,been to,Have,have been,have been in,has gone to,5) Where are the boy students? They _ the school factory.6) Is yo

6、ur father in? No, he _ _ to Shenzhen. _he ever _ there before ?Yes, he _ there several times,have gone to,has gone to,Has,been,has been,7) 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,have,been,1. 你曾经吃过鱼和薯条吗？2. 你

7、看过这部电影了吗？,在下列情形下用现在完成时,1 九词语already 已经 肯定句中或句尾 例: I have already found my pen. = I have found my pen already.yet已经 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 句中 例：Have you ever seen pandas?,never从不 句中 例：I have never been to Beijing.just刚刚 句中 例：I have just don

8、e my work.before以前 句尾 例：I have never been there before.,在下列情形下用现在完成时,so far到目前为止 例：So far he has learnt 200 words.how long多久 例：How long have you lived here?how many times多少次 例：How many times has he been to Beijing?,在下列情形下用现在完成时,2 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：

9、He has been to Beijing. (去过北京),在下列情形下用现在完成时,3.两结构since和for的用法,在下列情形下用现在完成时, since 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, for一段时间（two weeks/s

10、ix months/five days）for短语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,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： This is the best book I have ever read. 这是我曾经读过的最好的一

11、本书。 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. I have been in the new school for a week.,for a week,last week,for + 时间段,我已经来新学校一周了。,e.g. Lily has been away from home since last Friday.,since last Friday,last Friday,since + 时间点,Lily自从上周五就离开了家。,Fill in the blanks with

12、for or since.1. His father has been dead _ many years.2. He has been away from the army _ seven years because of a leg wound.3. He has been in Beijing _ 2003.4. He has been a member of Helpers Club _ 2004.5. He has had a house _ 2005.6. He has kept the car _ one year.,for,for,since,since,since,for,在

13、现在完成时中，一次性动词不能和一段时间状语连用,例：He has bought the book for 3 years. 因buy这个一次性动词不能和一段时间for 3 years连用 buy have have hadHe has had the book for 3 years.,(错）,since 8:00,The woman left home at 8:00.,for 2 hours,8:00,短暂性动词 延续性动词 leave be away from,She has been away from home since 8:00.,= She has been away from

14、 home for 2 hours.,He bought a computer in 2007.,for two years,2007,since 2007,He has had a computer since 2007.,= He has had a computer for two years.,短暂性动词 延续性动词 buy have,borrow keep lose be lost break be broken open be open closebe closed stop be over begin/start be on finish/end be over get up b

15、e up get married be marriedcome/arrive/get to/reach /go be here/in/at,下一页,还有其它的归纳如下：,come - leave -get to know -die -buy-borrow -marry -catch a cold -join -fall ill -,bebe away (from)knowbe deadhavekeep be marriedhave a coldbe a member of / be inbe ill,1. His father _ (die) in 1992. His father _ for

16、 many years.2. He _ (leave) the army because of a leg wound in 2002. He _ the army for nine years because of a leg wound.3. He _ (come) to Beijing in 2003. He _ Beijing since 2003.,died,has been dead,left,has been away from,came,has been in,4 He _ (join) Helpers Club in 2004. He _ a member of Helper

17、s Club since 2004.5. He _ (buy) a house in 2005. He _ a house since 2005.6. He _ (borrow) the car in 2009. He _ the car for two year.,joined,has been,bought,has had,borrowed,has kept,Choose the best answer.1.His father _the Party since 1978. joined. has joined . was. has been in2. How long have you

18、_ here?About two months. . been . gone. come . arrived3. Hurry up! The play _for ten minutes. has begun. had begun. has been on. began,Choose the best answer.4.My parents_ Shandong for ten years. have been to. have been in. have gone to. have been5. His uncle _for more than 9 years.has come here B.

19、has started to workC. has lived thereD. has left the university,下一页,上一页,主菜单,The film has been on for five minutes.,He has been in the Party for five years.,电影开始五分钟了。,It is five minutes since the film began.The film began five minutes ago.,It is five years since he joined the Party.He joined the Part

20、y five years ago .,他入党五年了。, 翻 译 练 习： 1.我买了这块手表五年了。 2.这位老人已经死了十年了。,I have bought this watch for five years. I have had this watch for five years/since 5 years ago.,The old man has died for ten years. The old man has been dead for ten years/since 10 years ago.,W,W,下一页,上一页,主菜单,3.他已经回来三天了。 4.我离开家乡已十年了。,

21、He has come back for 3 days. He has been back for 3 days/since 3 days ago.,I have left hometown for 10 years. I have been away from hometown for 10 years.,W,W,下一页,上一页,主菜单,上一页,现在完成时练习,主菜单,动 词 填 空： 1._ you already_ (clean) the room? -Yes, we _(do) that already.- When _ you _(do) it? - We _(do) it an h

22、our ago.,Have,cleaned,have done,did,do,did,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?,Has,seen,did,saw,see,Have,been,4. I _ (read) the novel twice. Its interesting.5. She _(go) to Pairs, hasnt she? Yes.6. How _ she _(go

23、) there yesterday? She _(go) there by air.,have read,has gone,did,go,went,下一页,上一页,主菜单,选用 for和 since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

24、been dead _ several years. 6. Its five years _ we met last time.,for,since,for,since,for,since,下一页,上一页,主菜单,改 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.,been over,kept,gone,下一页,上一页,主菜单,had,