湖北省北大附中武汉为明实验学校八年级英语下册 Unit 8 Have you read Treasure Island yet（第1课时）学案（无答案）（新版）人教新目标版.doc

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 原形过去时过去分词decidedecideddecided telltoldtoldfinishfinishedfinished gowentgonereadreadread seesawseenputputput dodiddonefindfoundfound drinkdrankdrunkbuyboughtbought comecamecomeleaveleftleft runranrunregular(规则变化)irregular（不规则变化）a-a-a型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 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，或从过去开始一直延续 到现在的动作或保存的状态。用法一： 用法二： i have finished homework.he has done housework.they have seen the film. 肯定句结构： you have not finished homework.she has not done housework.we have not seen the film.否定句结构： have you finished homework? yes, i have. no, i have not. has he done housework?yes, he has. no, he has not.一般疑问句结构： 肯定/否定回答： 【课堂活动】1、 预习展示i. 划出grammar focus中的现在完成时态结构。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 yet?yes, i have. ive already finished reading it. it was really good.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. lets go out.4. _ you _ (read) todays 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 4ause 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 house yet?yes, they have already moved into the new house.yes, they have moved into the new house already.no, they have not moved into the new house yet.总结：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. 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. to