高一英语上册Unit 3 - 4单元专题复习教案

高一英语上册unit 3 - 4单元专题复习教案
unit 3 - 4
study aim: grasp the following words and sentence structure and remember how to use them.
study guide: read the new words and fill in the blanks in about 20 minutes.
study test: finish the exercise given.
☆重点句型☆
1. as well as 的用法
2. is anybody seeing you off? 进行时表将来
3. unless引导条件状语从句，相当于if... not
4. it didn't take long before the building was destroyed.     before的用法
5. normal, separate 与strike的用法
重点及难点：
1. before she could move，she heard a loud noise. 她还没有来得及动弹，就听见很响的声音。
该句中的before用作连词，后接时间状语从句, 表示“在……之前”。但在不同的语境中，往往有比较灵活的译法。
(1)表示主句的动作或时间持续了一段时间从句的动作才发生
we had sailed four days before we finally saw the land .我们一直航行了四天才看见陆地。
(2) 还没来得及……一个动作就发生了
 before i could say thanks to him , he had left in a hurry.我还没来的及向他表示，他就匆忙离开了。
(3) 趁还没怎么样 去做一个动作