初中英语人教版八年级下册Grammar Focus.ppt

1、Unit 8 Have you read Treasure Island yet?,Section A 3 Grammar focus-4c,Revision,Read the following sentences we have seen.,Have you read Little Women yet? Yes, I have./ No, I havent. Has Tina read Treasure Island yet? Yes, she has. She thinks its fantastic. Have you decided which book to write about

2、 yet? Yes, I have. Ive already finished reading it. It was really good.,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,h

3、eard of,yet,go,Ready?,听说,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

4、,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,用法 1. 表示过去发生或已经完成的某一动作 对_造成的_。 e.g. H

5、ave you had your lunch yet? Yes, I have. Ive just had it. (现在 我不饿了。) 2. 表示动作或状态从过去某一时刻开始，一直延续到_，而且可能还要_。,现在完成时,present perfect tense,现在,影响或结果,现在,继续下去,Ive known Bob for three years.,句式 肯定句： 主语 + have / has + 过去分词 (+ 其他) 2. 否定句： 主语 + have / has + not + 过去分词(+ 其他) 3. 一般疑问句： have/ has + 主语 + 过去分词(+ 其他)

6、4. 特殊疑问句: 特殊疑问词 + have / has + 主语+过去分词 (+ 其他),现在完成时的时间状语(Adverbials of time): just, already, yet, before, ever, never, up to now有此类副词时,常强调动作完成,不强调动作的持续 用副词already和yet。 already一般用于肯定句中, yet一般用于否定句和疑问句中。 We have already finished our homework. They havent finished their homework yet.,我们已完成家庭作业了。,他们还没有完

7、成家庭作业。,(2) 用ever和never 多用于否定或疑问句中,表示“曾经”或“从未”等。 Have you ever been to the Great Wall? No, I have never been to the Great Wall.,你曾经去过长城吗？,不, 我从未去过长城。,(3) just, before, up to now等, 表示到说话为止的过去时间状语 我以前见过她, 但记不起在哪里见过。 I have seen her before, but I can not remember where.,我刚吃过午饭。 I have just finished lunc

8、h. 到目前为止，我已经学了3000个单词了。 Up to now, I have learned 3000 words.,单项选择。 ( )1. Have you taken out the rubbish, Belly? _. Ill do it right away. A. Sorry, I have B. No, I didnt C. No, I dont D. Not yet ( )2. Have you _ visited Shanghai? No, _. A. ever; not B. never; not C. ever; never D. never; ever,D,C,句型

9、转换 1. I have finished my homework. I _ _ my homework. (改为否定句) _ you _ your homework? (改为一般疑问句并作肯定回答) Yes，_ _.,havent finished,Have,finished,I have,2. His dream has come true. (改为一般疑问句并作否定回答) - _ his dream _ true? - No，_ _ .,Has,come,it hasnt,过去分词的变化 finish _ _ decide _ _ hurry _ _ stop _ _,finished

10、finished,decided decided,hurried hurried,stopped stopped,Regular 规则变化,read _ _ bring _ _ shoot _ _ be _ _ come _ _,read read,brought brought,shot shot,was/were been,came come,Irregular 规则变化,A-A-A,A-B-B,A-B-C,A-B-A,活学活用,Write the forms of the past tense and past participle: drink _ _ see _ _ find _ _

11、 leave _ _ let _ _,drank drunk,saw seen,found found,left left,let let,stay _ _ study _ _ trip _ _ think _ _ feel _ _ begin _ _,stayed stayed,studied studied,tripped tripped,thought thought,felt felt,began begun,Exercises,4a Use the words in brackets to complete the conversations. 1. A: Would you lik

12、e something to drink? B: No, thanks. _. (just/ drink some tea) 2. A: I heard you lost your key. _? (find) B: No, not yet.,I have just drunk some tea,Have you found it,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 m

13、ovies with us tonight? B: No. _. (already/ see the film),He has already left,did he leave,She has already seen the film,5. A: What do your parents think about our plan? B: I _. (not/ tell them/yet),havent told them yet,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事情有关，但是现在完成时强调这一动作与现在的关系，如对现在产生的结果、影响等，而一般过去时只

14、表示过去的事实，不表示和现在的关系。如：,现在完成时与一般过去时,I went home at 10:00 yesterday. I have got home now. 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，我是一个小时之前写完的。,4b Fill in the blanks with the correct forms of the words in the brackets. Sally _ (love) reading. In the mor

15、ning 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) like in 50 years.,loves,has,read,will be,She _

16、(finish) reading 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 many books she _ (not read) yet and she cant wait to read them.,finished,will write,hasnt read,cant wait to do sth. 迫不及待做某事,Groupwork,4c Complete the chart with information about you and your friend.,A: What books have you already read? B: I have already read Tom Sawyer and Harry Potter. A: What do you think of them? B: Well, I think Harry Potter was exciting, but Tom Sawyer was a bit boring.,Re