八年级下英语学案Unit

精品文档---下载后可任意编辑主备人：张海红时间：2024.0 3 . 16 学生姓名：第 30 页课题：Unit 6 . How long have you been collecting shells ?(Period 1 Section A 1a---2c)课型新知预展课学习目标:1. ---How long have you/has she doing sth? ---I have/She has been doing sth for/since… 2. 掌握现在完成进行时的用法，并谈论人们做某事持续的时间。3. 区分” for”和“since”。学习重点：现在完成进行时，区分” for”“since”Step I: Revision.1. Cathy ___________ (begin) to learn Chinese in 2024.2. Tom and Mary ___________ (come) to China last month.3. He (study) history for half an hour every day.4.It’s nine o’clock. He _______________(read) in the classroom.5. I (visit) Shanghai in two weeks.Step II: Learning.Task 1:Make sentences like this.eg: I have been reading English books for 5 hours. 我已经读英语读了 5 个小时了。 1. I _______ __________ _____________ (playing) for 6 hours. 2. I _______ __________ _____________ (doing homework) for 45 minutes. 3. She _______ __________ _____________ (eating) since 30 minutes ago.现在完成进行时表示从（过去／现在／将来）某一时间开始一直延续到（过去／现在／将来）的动作。其结构是：Task 2 : Make conversations like this. A. How long has she been reading? B. She has been reading for 2 hours.since She was five years old. 第 31 页Task 3 Listening practice. 1b-2bTask 4 : 用 since 和 for 填空：1. These students have been skatingnine o’clock.2. Sally has been working in the factoryfive years ago.3. The old lady has been living in the village1970. 4. They have been writing to each othermany years.Task 5 : 句型转换1. I have been skating for 6 years.一般疑问句:肯定回答: 否定回答：对划线部分提问：2. They have been teaching for six years. （同上）3. Ben has been collecting shells since 8 years ago.（同上）4. My mother has been wo...