内容正文:
Unit 3 Language in use
Module 2 Public holidays
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1. While we’re staying with them, we’re going to spend one day in
Qingdao.
2. Before we begin dinner, my father gives thanks for the food.
3. When it is all over, everyone helps wash the dishes.
4. And my family always go somewhere interesting as soon as the holiday
begins.
5. We have celebrated the festival since the first pioneers from England
arrived in America.
6. After we landed, their first winter was worse than any English winter.
Language practice
1. while 的用法
(1). 引导时间状语从句,意为“当……时候”“在……期间”。
His parents died while he was at school.
在他上学期间他父母去世了。
(2). 引导时间状语从句,意为“与……同时”。
You may go swimming while I’m having lunch.
我吃午饭的时间里你可以去游泳。
时间状语从句
2. when的用法
引导时间状语从句:“当......的时侯”,既可以表示在某一时间点发生的事,又可以表示在某一时间段发生的事。主句与从句描述的动作或事情可以同时发生。
I loved math when I was at school.
我在学校时喜欢数学。
He looked aside when I spoke to him.
我对他说话的时候,他向旁边看。
时间状语从句
while,
when
用
法
辨
析
(1). while引导时间状语从句作“当……时候”讲时,只能与延续性动词连用。
(2). when引导时间状语从句作“当……时候”讲时,既可与延续性动词也可与瞬间动词连用。
While he was reading, he fell asleep.
他在读书的时候睡着了。
When he came in, I was having lunch.
他来时我正在吃午饭。
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3. before 的用法
(1). before 用作连词,其基本词义是“ 在…之前”,用来表示时间或顺序。
如:
Turn the light off before you sleep. 睡前先把灯熄掉。
Think before you speak. 说话之前应先想清楚。
时间状语从句
(2). before 用于这两个句型:
It was /wasn’t +一段时间 + before 从句
(过了多久/没过多久才…)
It will / won’t + 一段时间 + before 从句
(还得过多久/用不了多久就…)
It was a long time before we met again.过了很久我们才再次见面。
It won’t be long before you regret.(用不了多久你就会后悔)
时间状语从句
4. after的用法 ,在…之后
(1). prep.
After testing, some students look very happy.
考试结束后,一些学生看起来很高兴。
(2). adv.
It happened twenty years after.
这事发生在20年之后。
(3). conj.
we all missed you after you left.
你走了以后, 我们都很想你
时间状语从句
5. as soon as 的用法:“一......就......”
(1) as soon as连接的时间状语从句中,指未发生的动作,
规律是:主将从现
如:I will tell him the news as soon as he comes back。
他一回来我就把这个消息告诉他。
(2) 指紧接着发生的两个短动作,主从句都用一般过去时。
He took out his English books as soon a