Unit 8 Have you read Treasure Island yet?
The First Period (Grammar Focus)
教师寄语：If I were in your shoes. 如果我是你的话。 【预习导学】 1、学习目标
1） 初步掌握动词过去分词的变化规则。 2） 初步掌握并运用现在完成时。 3） 能区分yet和already的用法。 2、 自学任务
Task 1 观察下列动词，试着按照动词过去式和过去分词的变化规则完成分类。
原形 过去时 过去分词 过去时 过去分词
原形
decide decided decided told told
tell
finish finished finished went gone
go
read read read saw seen
see
put put put did done
do
find found found drank drunk
drink
buy bought bought came come
come
leave left left ran run
run Regular (规则变化) Irregular A-A-A型 （不规则变化） A-B-B型 A-B-C型 A-B-A型 Task 2观察下表，体会现在完成时的定义并尝试总结现在完成时的句式结构。 现在完成时 用法一： 表示过去发生或已经完成的某一动作对现在 用法二： 造成的影响或结果，或从过去开始一直延续 到现在的动作或保存的状态。 I have finished homework. Hehas done housework. They have seen the film. Youhave not finished homework. 肯定句结构： 否定句结构： 1
Shehas not done housework. Wehave not seen the film. Have you finished homework? Yes, Ihave. No, Ihave not. Hashedone housework? Yes, hehas. No, he has not. 【课堂活动】 1、预习展示
一般疑问句结构： 肯定/否定回答： I. 划出Grammar Focus中的现在完成时态结构。 Have you read Little Women yet? Has Tina read Treasure Island yet? Have you decided which book to write about yet? II.用所给词的适当形式填空
1. Excuse me. Have you _______ (see) my dictionary? 2. Have you _______ (find) your wallet?
3. I _______ already _______ (finish) my homework. Let’s go out. 4. _______ you _______ (read) today’s newspaper yet? III.根据要求改写句子。
1. I have read the book. ( 改为否定句) I _______ _______ the book .
2. He has finished reading the book. (改为一般疑问句并做肯定回答) _______ he reading the book? , he . 2、课堂展示 Step 1 Work on 4a
Use the words in brackets to complete the conversations. Step 2 Work on 4b
Fill in the blanks with the correct forms of the word in brackets. Step 3 合作探究 1. 观察下列句子，试着区别yet 和 already。 Have Bob and Jenny moved into the new houseyet?Yes, they have alreadymoved into the new house. Yes, they have moved into the new housealready. No, they have not moved into the new house yet. 总结： Yes, I have./No, I haven't. Yes, she has. She thinks it's fantastic. Yes, I have. I've already finished reading it. It was really good. yet 和 already都表示, 区别在于 yet用在或中,一般放在； 而 already 用在中，一般放在之后，之前，也可放在。 2
2. 多种时态的混合使用。 【训练反馈】
I.用所给词的适当形式填空
1. I (join) the book club last month and I (read) five books already. 2. Tony (buy) a pop music CD yesterday but he (not listen) to it yet.
3. She (see) the newspaper on the table this morning, but she (not have) any time to read it yet.
4. They just(decide) to go to Beidaihe on vacation. 5. she (see) the movie So Young 《致青春》 yet? II. 根据要求改写句子。
1. I have already cleaned my bedroom. ( 改为否定句) I _______ _______ my bedroom _______ .
2. She has already done all the housework. (改为一般疑问句并做否定回答) _______ she all the housework _______? _______ , she .
3. Have you seen it anywhere?(变成肯定句) I it.
4. Tom has already heard of the story. (就画线部分提问) _______ _______ already heard of the story ? 5. I’ve worked here for ten years. （划线提问） you worked here?
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