《重点知识梳理》
一、时间状语从句
(一)when,while与as引导的时间状语从句
1.when,while与as引导时间状语从句的区别
|
连词 |
谓语动词 |
用法点津 |
|
when |
延续性动词 非延续性动词 |
从句的动作和主句的动作可以同时发生,也可以先后发生 |
|
while |
延续性动词 |
从句的动作与主句的动作同时发生 |
|
as |
延续性动词 |
强调主从句动作相伴发生,可译为“一边……一边……;随着” |
when they heard the news that shenzhou ⅸ had been sent up into space successfully,they jumped with joy.
听到“神舟”九号成功发射的消息,他们高兴地跳了起来。
while i was reading,he came in.
我正在看书时,他进来了。
the students sang as they walked.
学生们边走边唱。
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