内容正文:
人教版 2019学年中考英语一轮专题复习冲刺——状语从句
【考点解读】
【考点 1】时间状语从句
时间状语从句的常见连词
连词 用法 例 句
when 1. 意为“当…时”, 从句的动词可用延续性动
词,也可用非延续性动词
2. 意为“这时”或“在那时”
When I came into the room, he was writing a letter.
I was walking along the street when suddenly Tom patted me on the
shoulder .
while
1. 意为“在某一段时间里”,“在…期间”;while
引导的动作必须是持续性的
2. 意为“然而”
While it was raining, they went out.
I stayed while he was away.
All of us are working hard while he is sleeping.
as
1. 意为“一边...一边”,引导持续性动作,强调
主句和从句的动作同时发生
2. 意为“随着”
He hurried home, looking behind as he went.
As time goes by, I like China better.
before 意为 “在…之前, 才, 就”
Be a pupil before you become a teacher.
I finished my task before I went home.
after 意为“在…之后” He arrived after the game started.
till
until
1. 若主句动词是持续性动作,常用肯定式,表
示“直到…为止”
2. 若主句动词是瞬间动词,要用否定式
not…until表示“直…才”
We waited till (until)he came back .
She didn’t stop working until eleven o’clock .
Not until eleven o’clock did she stop working.
since 1. 意为“自从…以来”,主句常用现在完成时,
从句用一般过去时
2. it’s+时间+since从句
Great changes ha