人教版go for it 八年级下册英语Unit 8-10 现在完成时语法复习ppt课件.ppt

1、Unit8-10 现在完成时语法复习课现在完成时语法复习课 学习目标学习目标 1.通过复习，加深理解现在完成时与一般过 去时的区别。 2.通过对现在完成时的复习，能熟练掌握现 在完成时的构成、句型变换及相关重点语法。 3.通过随堂练习，在适当语境中能准确使用 现在完成时。 一般过去时与现在完成时的区别 （1）一般过去时表示过去发生的动作或存在的 状态；现在完成时表示过去发生的某一动作对 现在造成的影响或结果。强调的是现在的情况。 I saw the film yesterday. （强调看的动作发生过了） I have seen the film. （强调对现在的影响，电影的内容已经知道了）

2、一般过去时常与具体的表示过去的时间状语连用，如 yesterday，last year，一段时间+ago, in 1990,just now等。现在完成时不能与表示过去的时间状语连用。 现在完成时的时间状语有：already,ever，never， just，yet , before,in the past,in the last few years , recently , so far，twice等。 Tom has written a letter to his parents last night. （） Tom wrote a letter to his parents last n

3、ight. （ ） 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 have (has(has）+ + 过过 去分词去分词 陈述句肯定形式。主语主语+ have/has+ 过去分词过去分词+ 其它其它 陈述句否定形式。主语主语+ have/has+ not+过去过去 分词分词+ （在助动词have/has后+not，可缩写为 havent/hasnt） 上一页 下一页 主菜单 现在完成时的句型变换 一般疑问句形式及其答语。 Have/Has+主语过去分词主语过去分词 （将助动词have/has提前，句末加问号） 肯定回答：肯定回答：Yes , 主语主语 have

4、/has. 否定回答：否定回答：No , 主语主语 havent/hasnt. 特殊疑问句形式。（疑问词+一般疑问句） 特词特词+ have/has+主语过去分词主语过去分词？ 上一页 下一页 主菜单 1. Li Ming has already finished his homework. （改为一般疑问句） _ Li Ming _ finished his homework yet? 2.He has been to Paris.（改为否定句） He _ _ been to Paris. 3.My father has been to the nature museum. (改为一般疑问句

5、) _ _ father _ _ the nature museum？ 4.Have you been to the film museum? (做出肯定和否定回答) _ ,I _. _,I_ . 上一页 主菜单 1、I (join) the book club last month and I (read) five books already. 2、I only (start) taking French classes last week and I (learn) 50 French words already. 3、Tony (buy) a pop music CD yesterda

6、y but he (listen) to it yet. 4、She (see) the newspaper on the table this morning, but she (have) any time to read it yet. 上一页 主菜单 现在完成时语法重点现在完成时语法重点 主菜单 上一页 下一页 for 与与since的用法的用法 短暂性动词与延续性动词短暂性动词与延续性动词 have been 与与have gone 比较比较 一、一、sincesince 二、二、forfor一段时间一段时间 （two weeks/six months/five daystwo we

7、eks/six months/five days）forfor短语表短语表 示动作延续多长时间示动作延续多长时间 。 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 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.Mr Green has worked here _ he came to China. 4.His grandparents have been dead _ several

8、 years. 5. Its five years _ we met last time. forfor sincesince sincesince forfor sincesince 下一页 上一页 主菜单 短暂性动词不能与时间段连用不能与时间段连用，这些 动词是：become, begin, buy, borrow, arrive, come/go, die, fall, finish, get to know, join, leave, marry 等。等。 上一页 下一页 为了表述这种意思，我们常用相应的延续延续 性动词性动词”来代替短暂性动词.（如下表） 主菜单 borrow bor

9、row keepkeep buy buy have,have, arrive arrive be in/atbe in/at die die be deadbe dead finish finish be overbe over begin/startbegin/start be onbe on leave leave be away (from),be away (from), come /go come /go be in /at,be in /at, get married get married be marriedbe married joinjoin be inbe in /a m

10、ember of/a member of 下一页 上一页 主菜单 1. The bus _ for 20 minutes. A. has left B. had left C. have been away D. has been away 2. I _ the League for 5 years so far. A. joined B. have joined C. have been in 3. The factory _ since the February of 1988. A . has been open B. has opened C. was open D. opened 短

11、暂性动词与延续性动词 4. Mary and Rose _friends since they met in 2000. A. have made B. have been C. made D. have become ( )5.She _ Mr. White for two years. A. has married B. has married to C. has been married with D. has been married to have been in 意思是“在某地呆了”表示人 一直在那儿。后面可以加段时间，表示“在某 地呆了多长时间” have been to 意思是

12、“到过，去过”，表 示曾经到过某处，但现在人不在那儿。后面可 以加次数，表示去过多少次 have gone to 意思是“去了”，表示已经去 了某地，现在人可能在去的途中或已在那儿了。 上一页 下一页 主菜单 1、-Is Miss Green in the office? - No, she to the library. A. goes B. had gone C. has gone D. would go 2、-Is your father in now? -No, he to the shopping center with his friends. A. has been B. has

13、 gone C. will go D. went 3、-Jack, I havent seen your uncle for a long time. -He Shanghai on business for two months. A. went to B. has gone to C. has been in D. has been to have been 与have gone 4、-Will you go to Beijing next week? -No, I wont. I have many times. A. been there B. gone there C. gone t

14、o there D. been to there 5、-May I speak to Ann? -She has Guilin. She there for a week. A. been to ; has been B. gone to ; has been C. been to ; has been to D. gone to ; has been to 上一页 主菜单 ( )1. My mother_ the windows already, so the room looks much brighter. A. has cleaned B. had cleanedC. is clean

15、ing D. will clean ( )2. A: _ you _ your homework yet? B: Yes. I_ it a moment ago. A. Did; do; finished B. Have; done; have finished C. Have; done; finished D. will; do; finish ( )3. A: Why not go to see the dolphin show with me? B: No, lets go home. Because I _it twice . A. saw B. will see C. see D.

16、 have seen ( )4. A: Have you written anything on Chinese traditional food so far? B: _, but I have a plan for it. A. Ever since B. Later on C. Not yet D. From now on ( )5. In the last few years, there _ great changes in the country. A .had been B .were C .have been D .has been ( )6. I dont think I _

17、you in that dress before. A. have seen B. was seeing C saw D. see ( )7. Mrs White _ in this school since she came here . A. teaches B. taught C. has taught D. had taught ( )8. A: Where is my sister, mum? I havent seen her this morning B: She_ to the library Ahas beenBis going Chas gone Dwill go ( )9

18、. Mr Li_ England. He _ London for two weeks. A. has been to, has been to B. has gone to, has been in C. has been to, has been in D. has gone to, has been to ( )10. A: Where have you been? B: Ive _ a paper factory. A. gone B. been C. gone to D. been to ( )11. Jim hasnt been to Australia _, but he has

19、 _ been to China. He has _ returned from Beijing. A. already; yet; just B. yet; never; already C. never; ever; already D. yet; already; just ( )12. Miss Smith with her parents _ China since _. A. have been in, two years ago B. has gone to, three years C. have been to, two years D. has been in, three

20、 years ago Sally _ (love) reading. In the morning, she reads the newspaper and in the evening she reads books. She _ already _ (read) more than 100 different books! Her favorite kind of books is science fiction. She is interested in science and technology and loves to imagine what the world_ (be) li

21、ke in 50 years. She _ (finish) reading Fill in the blanks with the correct forms of the words in brackets. a book about robots last week and _ (write) a book report about it next week for her French class. Every time she is in the library, Sally looks at the books she_(not read) yet and she cant wai

22、t to read them! 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。 I I have hadhave had this watch this watch forfor five yearsfive years / /sincesince 5 years 5 years ago.ago. The old man The old man has been deadhas been dead for ten yearsfor ten years / /since 10 years ago.since 10 years ago. 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。 He He has been backhas been back for 3 daysfor 3 days / / since 3 since 3 days ago. days ago. I I have been away fromhave been away from hometown hometown for 10 for 10 years.years./ /since 10 years ago.since 10 years ago. 下一页 上一页 主菜单