Unit1Lesson3导学案.doc

哈34中八年级上英语导学案 主备人：孙晓欢 日期：2014年 9 月
Unit 1 Lesson 3 (Structure)
语法讲解（一）
一、 语法名称：时间状语从句
二、 引导时间状语从句的连接词：as soon as , after, before, when, while, as, until, till 等。
三、 when、while、的区别：
1） 从句的谓语动词是延续性的动作时，我们可以用when，while.
Eg：You can play outside______________I was cooking.
2) 当从句的谓语动词表示瞬间性的动作时，只能用when
Eg：You can play outside_____________you finish your homework.
3） 当主从句都是现在进行时态时，一般情况用while.
Eg:You were playing outside_________I was cooking.
课堂练习
一、完成下列练习
( )1.While she____ TV in the living room, the bell ______.
A. is watching;rang B.watches;rings C.was watching;rang
( )1.He was playing computer games______his mother was cleaning the house.
A. while B.when C.after
( )3.I was doing my homework ______my brother came to see me yesterday.
A. when B.after C.before
( )4._ I was reading books, my mother was cooking in the kitchen.
A.While B.When C.A and B
( )5. When I was doing some cleaning, my friend Lucy ___me.
A.was visiting B.visited C.visit
( )6.Amy was reading a book when I ___into the classroom.
A.was coming B. come C.came
二、完成p7练习题，并翻译
语法讲解（二）
一、时间状语从句时态的原则：
1） 当主句为 一般现在时、含有情态动词，从句为任意一种时态。 （主现从任意）
2） 当主句为一般过去时，从句为过去的某一种时态。（主过从过）
3） 当主句是一般将来时，从句为一般现在时。（主将从现）
二、完成下列练习
1. --Did you win the writing contest?
--Yes, I did. I will tell the good news to my teacher as soon as I _______her. A see B.will see C.sees
2. --You have passed the exam,Tim. You should tell your mother.
--Yes!I’ll tell her as soon as she _____.
A.return back B.returns C.return
3. When the weather ___, many people will go out for a walk.
A. is fine B.was fine C.is bad
4. Our class will plant trees on the Sun Island.As soon as we___there, we will start to plant trees.
A arrive B.arrived C.will arrive
5. I want to be a teacher when I ______.
A am growing up B.will grow up C.grow up
6. We will have to clean the classroom before our teacher____.
A comes back B.came back C.come back
7. Mr.Brown will meet us as soon as he _____.
A arrives B.arrived C.is arriving
8. It will be sunny later. We _____as soon as the rain ____.
A can play basketball, stop B.will play basketball, stop
C.play basketball, stops
课堂检测
1. When you ___________(eat)at a restaurant, please order just enough food.
2. I don’t know when he _________(come)here tomorrow. But when he comes here, I _________(tell)you.
3. Amy was reading a book when I _________(come) into the classroom.
4. You’d better call me as soon as you __________(get) there.