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1、Unit 10 Lesson 58 Ms. Lius Speech现在完成时讲解,春天还会远吗 ? will it still be far in spring?,冬天已经来了, Winter has already come,现在完成时态,Winter has already come.,现在完成时的构成形式,have done has,助动词,过去分词,用来表示之前已经发生或完成的动作或状态,而其结果却和现在有联系: 动作或状态发生在过去,但它的影响现在还存在。 They have left.(leave) -他们已经离开了,也就是说现在他们人不在这里 I have had my lunc

2、h.(have) -我已经吃过午饭了,也就是说我现在不饿,现在完成时的含义,也可表示持续到现在的动作或状态。 He has learned English since 2001. -从2001年开始学的,现在还在继续学着呢,Since+时间点 现在完成时的标志, have +done, has +done,now,past,future,一般过去时,现在完成时,现在完成时 表示的是在过去某个时间开始并持续到现在的动作/状态, 或者发生在过去却对现在造成的影响,和现在完成时连用的时间状语,和现在完成时连用的时间状语,和现在完成时连用的时间状语,延续性动词:表示可以延续一段时间的动作或状态。如:b

3、e,drink,fly,eat,keep,lie,live,rain等。 瞬间性动词:表示不能延续的动作,即动作发生后立即结束。如:begin,arrive,borrow,buy,close,come, leave,lend,marry,等。 瞬间性的动词是不能持续的,所以不能和表示一段时间的状语连用。,比较延续性动词与瞬间性动词,since 用来说明动作起始时间 “自从” for用来说明动作延续时间长度 “长达” +时间 段 I have lived here for more than twenty years. 时间 段,比较since和for,I have lived here sin

4、ce I was born. My aunt has worked in a company since 1949.,比较since和for,since 从句用 过去式am 变为was,主句用现在完成时 have +done, has +done since 现在完成时的标志,,My aunt has worked in a company since 1949. I have not heard from my uncle for a long time.,比较since和for,since +时间点。主句用现在完成时 have +done, has +done since 现在完成时的标志

5、,,since or for,二、用since和for填空1. two years 2. two years ago3. last month 4. 19995. yesterday 6. 4 oclock,for,since,since,since,since,since,二、用since和for填空 1. He has lived in Nanjing _the year before last. 2. Ive known him _ we were children.3. Our teacher has studied Japanese _ three years.,since,sinc

6、e,for,二、用since和for填空 4. She has been away from the city_about ten years. 5. Its about ten years _ she left the city.,for,since,He has gone to Shanghai. 他(已经)去上海了。,He has been to Shanghai. 他(曾经) 去过上海。,比较 have/has been to (去 过)have/has gone to(去了),He went to Shanghai last week.(翻译),他(曾经)到/去过上海 在他人生中曾经

7、有过这样的经历,上周他做了一件事:那就是去了上海,He has been to Shanghai. (翻译),他已经去上海了 。也许刚动身出发,也许已经到了,也许还在路上,反正他人不在这里,He has gone to Shanghai.(翻译),He has been in Shanghai for 10 years. (翻译),他呆在上海迄今为止已经10年了 现在还在上海没有离开呢,He lived in Shanghai for 10 years.,以前他在上海住过10年 现在不在上海了 lived 过去暗示以前,1.I like Guilin. I _ there twice. A.

8、go B. went C. have gone D. have been,此题中的twice(两次)表示经历曾去过, have has been (to)+place 要用现在完成时,因此选D。,D,2. Wheres Li Lei? He _ Beijing. A. goes to B. went to C. has gone to D. has been to,此题的语境是李雷不在说话的地方, 因此要选 C。,C,3. He went to Toronto two years ago, so he _ Toronto for two years. A. has been to B. has

9、 gone to C. has been in D. has gone,题目有for two years这一个段时间, 而have been to(去过) 和have gone to (去了)都不能和段时间连用, 因此选C has been in (已经住在)。,一、选择填空 ( )1.Jims been to the Great wall before ,_he? (A)isnt (B)wasnt (C)hasnt (D)doesnt,( )2.Shes never been to England, _she? (A)has(B)hasnt(C)isnt(D)is,C,A,( )2._has

10、 Hanmei been in the library. (A)How long (B)How soon (C)How far (D)How often,( )3.How long _he_ the library book . (A)has, borrow(B)has ,kept (C)has, bought (D)did, buy,A,B,( )4.Mr Green isnt in the office , He _to the library(A)has gone (B)went (C)has been (D)will go,( )5.Mr smith _to Tokyo and he will be back in

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