一、when, while 和 as 1.When 既可引导一个持续动作,也可引导一个短暂动作,可用于主句和从句动作同时发生或从句动作先于主句动作
当主句是将来时,从句的时态用现在时
(when 在实际中用得最多) I told my children when Lincoln was your age he walked twelve miles to school everyday
But my son said, “That’s nothing
When he was your age, he was president
” 我告诉我的孩子:当林肯你那么大岁数时他每天走 12 英里去学校,我儿子说,“那没什么,当他你那么大岁数时已经当总统了”
There''''s a side to President Reagan that people don''''t know
When he was a young man, he read complete works of Shakespeare
Of course, when Reagan was young, Shakespeare hadn’t written all that much
里根总统还有一面人们并不知道,年轻时他曾读过莎士比亚全集——当然里根年轻时莎士比亚还没写那么多
注:讽刺里根读书少,岁数大
当 when 引导的时间状语从句为系表结构,而且其主语和主句的主语一致,其标语又是一个名词,就可以以 as 引导的省略句来代替 when 引导的从句
如: As a young man, he read complete works of Shakespeare
他年轻时读过莎士比亚全集
When the gam