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1、Unit 8 Have you read Treasure Island yet?,Section A Period Three,fiction science fiction technology French,n. 小说 科幻小说 n. 科技；工艺 n. 法语,Words and expressions,Objectives,To learn the Present perfect tense with already and yet To learn the new words: fiction, technology, French,Grammar,I havent read it y
2、et. Sandy, have you finished the reader yet? 3. Have 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】,7. Has Tina read Treasure Island? 8. Steve, have you decided yet which book to write about for English class? 9. Ive alrea
3、dy finished reading it! 10. Have you at least read the back of the book to see what its about? 11. But Ive found the ship and made a small boat.,【例句】,12. Ive brought back many things I can use. 13. Although I have lost everything, I have not lost my life. 14. I have already cut down trees and built
4、a house. 15. He is smart and I have already taught him some English.,【例句】,I _ _ read it _. 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 blanks.,have not yet,have,finished,Have,read,yet,yet,already,finished
5、,heard of,yet,go,Ready?,7. _ Tina _ Treasure Island? 8. Steve, _ you _ _ which book to write about for English class? 9. Ive _ _ reading it! 10. _ you at least _ the back of the book to see what its about? 11. But I _ _ the ship and made a small boat.,Has,read,have,decided,yet,already,finished,Have,
6、read,have found,12. Ive _ _ many things I can use. 13. Although I _ _ everything, I _ _ _ my life. 14. I have _ _ _trees and _ a house. 15. He is smart and I _ _ _ him some English.,brought back,have lost,have not lost,already,cut down,built,already,have,taught,Practice,Choose the best answer.,1. Bo
7、th 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 writing 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;
8、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) A. wont decide B. didnt decide C. havent decided D. dont decide,5. - _ you _your homework yet? -Yes. I _ it a moment ago. A. Did; do; finished B. Have; done; finished C. Have; done
9、; 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,Use the words in brackets to complete the conversations.,4a,1. A: Would you like something to drink? B: No, thanks. _ (just / drink some tea) 2. A: I heard you lost your key.
10、_? (find) B: No, not yet.,Ive just drunk some tea.,Have you found it yet,3. A: Do you know when Tom is leaving? B: _. (already / leave) A: When _? (leave) B: This morning. 4. A: Is your sister going to the movies with us tonight? B: No. _. (already / see the film) 5. A: What do your parents think ab
11、out our plan? B: I _. (not / tell them / yet),He has already left,did he leave,She has already seen the film,havent told them yet,以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据 之前练习的考察情 况进一步选择讲解 该语法项的重难点。,现在完成时 Present perfect,定义： 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。,现在完成时的构成：,肯定句: 主语+have/has+过去分词+其他 否定句: 主语+hav
12、ent/hasnt+过去分词 +其他 一般 Have/Has+主语+过去分词+ 疑问句：？ 肯定答语: Yes, 主格代词+have/has. 否定答语: No, 主格代词+havent/hasnt.,动词过去分词的变化形式大部分与动词过去式形式相同，但是不规则动词的变化形式没有规律，需要记忆，比如：,see-saw-seen; be-was, were-been eat-ate-eaten; break-broke-broken go-went-gone; take-took-taken send-sent-sent; find-found-found make-made-made; hav
13、e-had-had,一、过去式和过去分词的变化相同 规则变化： 1. 一般在动词词尾直接加ed。如： pick picked picked; wish wished wished; stay stayed stayed 2. 以不发音的e结尾的动词后面加d。如：like liked liked; hope hoped hoped; phone phoned phoned,3. 以“辅音字母 + y”结尾的动词，变y为i，再加-ed。如： study studied studied; hurry hurried hurried; reply replied replied 4. 词尾只有一个辅音
14、字母的重读闭音节动词，要双写辅音字母，再加-ed。如：stop stopped stopped; clap clapped clapped,不规则变化： 5. 以不变应万变。如： let let let; put put put; read read read 6. 若中间有双写e，则去掉一个e，单词末尾再加t。如： feel felt felt; keep kept kept; sleep slept slept,7. 结尾的字母d变t。如： lend lent lent; build built built; send sent sent 8. 变为以-ought或-aught结尾。如：
15、buy bought bought; bring brought brought; catch caught caught; teach taught taught,1. 表示动作到现在为止已经完成或刚刚完成。 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、 影响等。 Have you ever seen the film “Harry Potter”? Ive spent 3 years in the countryside.,现在完成时-用法,4. 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完成的动作。,Ill
