内容正文:
初升高语法专题--状语从句
1
Leading-in
Describe what you see in the pictures.
A man is running.
为了保持健康,这个男孩正在跑步。
The boy is running in order that he can keep fit.
因为这个男孩想要变得健康,所以他在跑步。
The boy is running because he want to become healthy.
这个男孩如此热爱跑步以至于他变得十分健康。
The boy is so keen on running that he becomes very healthy.
傍晚,这个女孩在路上跑步。
At dusk, the girl is running on the road.
Anything else?
尽管天色渐晚,这个女孩依然在路上跑步。
Even though it’s getting late, the girl is still running on the road.
1.when, while, as的区别
含义与例句
(1)when 用于表示从句的动作与主句动作同时发生;when还可以表示“就在此时,突然”的意思,常用于be about to do ... when ... ; be doing ... when ...等结构中。
I was about to go shopping when he telephoned me.
I was going shopping when he telephoned me.
Review:时间状语从句与地点状语从句
(2)while从句谓语动词为延续性动词,翻译成“在……期间”或“趁着……”。
While he is swimming,I am learning English.
(3)as用于表示从句动作和主句动作同时发生,多译为“随着”。
As the time went by,I became stronger and stronger.
2.before本意为“在…之前”,用it表示时间距离时常常用到的三个句型。
事件发生在过去的过去到过去这个时间段
It was 10 years before I left China. 我离开中国已经10年了。
事件发生在过去到现在这个时间段
It is/has been two years since we came here.
事件发生在现在到将来这一时间段
It won’t be long before I know the result of the exam.
3.till / until, not ... until / till 的用法
如果主句中使用的是延续性或状态性动词时,主句与从句多用肯定式。
You may stay here until the school is over.你可以在这儿一直待到放学。
如果主句中使用的是短暂性动词,多用not…until结构。
He didn’t go to bed until he finished his job.
4.“一……就”的表达
除 as soon as 之外,the moment / second / minute / immediately/no sooner … than /hardly … when 也可以表示”一… 就”。
The moment she saw her husband, she cried.
He had no sooner returned than he bought a house.
= No sooner had he returned than he bought a house.
I had hardly finished eating when he came in.
= Hardly had I finished eating when he came in.
where引导的地点状语从句和定语从句的区别:
where引导地点状语从句时,用于表示谓语动作所发生的地点;where引导定语从句时,用于修饰从句前表示地点的先行词。
This is the school where her brother works.这就是他哥哥工作的学校。(定语从句)
He wants to work where he is needed.哪里需要他,他就去哪里工作。(状语从句)
1.I was about to watch TV______ my dad came home.
A. when B. while C. as D. before
2.It