人教版八年级下册英语unit8第四课时ppt课件.ppt

1、Unit8 Have you read Treasure Island yet ? Section A Grammar Focus4c Revision Role-play the conversation 2d Objectives 1.To learn the Present perfect tense with already and yet 2.To learn the new words: fiction, technology, French Now 2 mins to test your spelling. 1. English-Chinese treasure, island,

2、 classic, page, ship, tool, gun, mark, sand, cannibal, land, fiction, technology, French 2. Chinese-English 满是满是的；赶快；预期；做记号；的；赶快；预期；做记号； 朝；科幻小说朝；科幻小说 When finished, exchange your papers to see who does the best. Check preview: 1.I havent read it yet. 2.Sandy, have you finished the reader yet? 3. Hav

3、e you read Little Women yet? 4. Ive already read it. 5. Ive just finished Oliver Twist and 6. Have you heard of them yet? 【例句例句】 Task1 1.I _ _ read it _. 2.Sandy, _ you _ the reader_? 3. _ you _ Little Women _? 4. Ive _ read it. 5. Ive _ _ Oliver Twist and 6. Have you _ them _? just Fill in the blan

4、ks. have not yet have finished Have read yet yet already finished heard of yet go Ready? Task2 Choose the best answer. 1. Both his parents look sad. Maybe they _ whats happened to him . A. knew B. have known C. must know D. will know 2. The famous writer _ one new book in the past two years. A. is w

5、riting B. was writing C. wrote D. has written 3. Our country _ a lot so far. Yes. I hope it will be even _. A. has changed; well B. changed; good C. has changed; better D. changed; better 4. What are you going to do this Sunday? I _ yet. (绍兴市绍兴市) A. wont decide B. didnt decide C. havent decided D. d

6、ont decide 5. - _ you _your homework yet? -Yes. I _ it a moment ago. A. Did; do; finished B. Have; done; finished C. Have; done; have finished D. will; do; finish 6. Harry Potter is a very nice film. I_ it twice. A. will see B. have seen C. saw D. see 现在完成时现在完成时 Present perfect 定义：定义： 表示过去发生或已经完成的某一

7、动作表示过去发生或已经完成的某一动作 对现在造成的影响或结果。对现在造成的影响或结果。 Language points: 现在完成时的构成：现在完成时的构成： 肯定句肯定句: 主语主语+have/has+过去分词过去分词+其他其他 否定句否定句: 主语主语+havent/hasnt+过去分词过去分词 +其他其他 一般一般 Have/Has+主语主语+过去分词过去分词+ 疑问句：疑问句：？ 肯定答语肯定答语: Yes, 主格代词主格代词+have/has. 否定答语否定答语: No, 主格代词主格代词+havent/hasnt. 1. 表示动作到现在为止已经完成或刚刚完成。表示动作到现在为止已经

8、完成或刚刚完成。 I have finished my work. We have set up many new factories. 2. 动作发生在过去，强调对现在的结果、动作发生在过去，强调对现在的结果、 影响等。影响等。 Have you ever seen the film “Harry Potter”? Ive spent 3 years in the countryside. 4. 现在完成时可以用在条件或时间状语现在完成时可以用在条件或时间状语 从句中，表示将来某个时刻之前已经从句中，表示将来某个时刻之前已经 完成的动作。完成的动作。 Ill go home as soon

9、as I have finished my homework. Please lend me that book if you have finished reading it. yet，在现在完成时句型中常置于句末。，在现在完成时句型中常置于句末。 1) 已经，常用在疑问句中。已经，常用在疑问句中。 琳达琳达已已看过这本书了吗看过这本书了吗? Has Linda read the book yet? 你完成家庭作业了吗？你完成家庭作业了吗？ Have you finished your homework yet? 2) 还，仍然，常用于否定句和疑问句。还，仍然，常用于否定句和疑问句。 他他还

10、还未开始工作。未开始工作。 He has not begun to work yet. 同学们要注意现在完成时与一般过去时同学们要注意现在完成时与一般过去时 的区别。虽然这两个时态都和过去发生的区别。虽然这两个时态都和过去发生 的事情有关，但是的事情有关，但是现在完成时现在完成时强调这一强调这一 动作与现在的关系，如对现在产生的结动作与现在的关系，如对现在产生的结 果、影响等果、影响等，而，而一般过去时一般过去时只表示过去只表示过去 的事实，不表示和现在的关系的事实，不表示和现在的关系。如：。如： I went home at 10:00 yesterday. I have got home

11、now. 我昨天十点回家的。现在我已经到家了。我昨天十点回家的。现在我已经到家了。 I have already finished my homework. I finished it an hour ago. 我已经写完作业了，我是一个小时之前我已经写完作业了，我是一个小时之前 写完的。写完的。 A: What books have you already read? B: Ive already read Tom Sawyer and Harry Potter. A: What do you think of them? B: Well, I think Harry Potter was

12、exciting, but Tom Sawyer was a bit boring. 4c4c Pairwork Complete the chart with information about you and a friend. My opinion You Your friend Comments Books I have already read Movies I have already seen Songs I have already heard 1.Excuse me. Have you _ (see) my dictionary? 2.Have you _ (find) yo

13、ur wallet yet? 3.I _ already _ (finish) my homework. Lets go out. 4._ you _ (read) todays newspaper yet? 根据所给单词的适当形式填空。根据所给单词的适当形式填空。 seen found have finished Have read 1. China develops so fast. Thats true. It _ a lot already. (2011安徽芜湖安徽芜湖) A. changes B. changed C. will change D. has changed 2. Ju

14、lia isnt going to the cinema with us because she _ the film. (2013浙江湖州浙江湖州) A. sees B. saw C. will see D. has seen 3. Id like to introduce my best friend to you, Peter. Thank you, Lucy. But we _ already. (2012河南河南) A. meet B. met C. will meet D. have met 4. Kitty, will you go to see the film Cold Mo

15、untain this evening? No, I wont. I _ it already. (南京市南京市) A. saw B. have seen C. see D. will see 5. Our school is having a sports meeting. Someone _ here already. (2011黑龙江黑龙江) A. arrived B. have arrived C. has arrived 6. _ you _ the movie Gongfu Panda II？ Not yet. Ill see it this Sunday. (2011四川内江四川内江) A. Did, see B. Do, see C. Have, seen Summary: Homework 1. Review the new words and expressions. 2. Make sentences using the Present perfect tense with already and yet. (at least 10 sentences) Preview 1.To preview the new words and expressions 2.To preview the conversation between Alex and Dave