not ...until的用法
not...until的用法有三种:基本结构、强调句结构、倒装句结构。
基本结构:not主句+until+从句
例句:We did not get off the busuntil it stopped.直到车停了,我们才下了公交车。强调句结构:It is / was not until+从句/表时间的词+that+主句
1、not until 后边一般是时间点,如:It was not until midnight that it stopped raining. 直到半夜雨才停下来。It was not until five o'clock in the afternoon that they finished their work. 直到下午五点他们才完成工作。
2、not until 后边也可以是陈述的句子,如:It was not until he came to China that he realized the great change in recent decades. 直到他来到中国,他才意识到最近几十年的巨大变化。It was not until he got sick seriously that he realized the value of a healthy body. 直到他生重病,他才意识到一个健康体魄的价值。