when时间状语从句用法详解:
1.when 当…的时候,在…的时候
She always goes sailing when she is on holiday.
= When she is on holiday, she always goes sailing.
when从句可在主句后,或主句前;在主句前时,要用逗号。
I was nine when my family moved to Shanghai.
=When my family moved to Shanghai, I was nine.
2.when的具体用法
1)表示动作同时发生
We will stop when you do.
你们停的时候我们就停。(同时停)
2)表示事情发生在同个时间段
They went skiing when they were on vacation.
他们在度假的时候去滑雪了。
3)表示从句动作完成后,紧接发生主句动作
When the bell rang, John went out of the classroom.
铃声响后,约翰走出教室。
I will call you when I arrive at the airport.
到机场后,我会打电话给你。
2.时间状语从句在表示将来之时,常用一般现在时表将来。
主句:一般将来时;从句:一般现在时
I will visit you when I am in Guangzhou.
我在广州时会拜访你的。
She will buy some beef when she is in the supermarket.
她在超市的时候,会买一些牛肉。
I will go to bed when my mother comes home.
我妈回来之后,我会上床睡觉的。
4. While与when的意思相近,有时when可替换while:
while 在…期间,
You called me while (when) I was out.
我外出期间,你打电话给我了。
When的用法比while更加广泛。有关When和while的用法的详细区别,请查看链接:
when和while的区别
以上就是when时间状语从句的基本用法。希望对你有所帮助。