when引导的时间状语从句
when引导的时间状语从句位置灵活,可以在句首,句中,主句之后。而when引导的定语从句放在主句之后,尤其在被修饰表示时间的先行词之后。
He looked aside when I spoke to him. =When I spoke to him ,he looked aside.
我对他说话的时候,他向旁边看。 (状语从句)
She smiles when you praise her.=When you praise her,she smiles
每当你夸她的时候她就笑。 (状语从句)
He jumped with joy when he heard the good news. =When he heard the good news,he jumped with joy
当他听到这一好消息时高兴得跳了起来。 (状语从句)
I don't know the time when the film will start
我不知道电影什么时候开始(电影从句)
There are always some occasions when people feel embarrassed.
总有一些场合人们感到尴尬。(定语从句)
2.
when引导的定语从句可以换成介词+which;而when引导的状语从句不可以换。
It iwas 2 o'clock when she came back home=It iwas 2 o'clock at which she came back home
希望您能够看懂,谢谢!