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师梦圆初中英语教材同步外研版八年级下册Unit 3 Language in use下载详情
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How long have you been like this?

你这样多久了?

II.语法全解

延续性动词表示能够延续的动作,如:learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay等。延续性动词可以与表示时间段的状语连用。

  How long have you …? 你做某事多久了?

  I have …for two days / since two days ago.

二、课堂活动

Teaching Procedure:

Step 1: lead in 呈现句型,询问别人的情况

Step 2:review 复习重点短语

Step 3:presentation

since 和 for 呈现,让学生理解这两个的用法,并对比二者的差异

Step 4: role play 角色扮演,熟悉日常生活情景对话,把本单元所学知识用英语流利表达

Step 5:总结本节课重难点

Step 6 :通过做练习题巩固本单元语法

Exercises:

?1. When he arrived at the bus stop, the bus _______ for 20 minutes.

A. has left B. had left C. has been away D. had been away

2. I ______ the League for 5 years so far.

A. joined B. have joined C. have been in

3. The factory ________ since the February of 1988.

A . has been open B. has opened C. was open D. opened

4. Mary and Rose _______friends since they met in 2000.

A. have made B. have been C. made D. have become

5.Miss Gao ______ this school for nearly 5 years.??

? A. has been in? B. has come to? C. has taught

6.Ben ______ a teacher for 4 years .??

A. has been? B. has become? C. was D. became

7. I ______ home for a week.?

A. have returned?? B. have been back?? C. returned

教材