not...until的基本结构基本结构: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
not...until的强调句结构强调句结构: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。3、not until 后边还可跟介词短语，如:It was not until after Friday that I got his reply. 直到星期五之后，我才得到他的答复。我们可以注意到，在以上列举的例句中，“It is/was not until .... that 从句”句式中的“that 从句”部分都是采用一般的陈述语序(类似于宾语从句)。时态上一般采用过去时，与 it was 相呼应。
not...until的倒装句结构倒装句结构:Not until 从句 倒转的主句(主倒从不倒)not until 引起的时间状语置于句首时，句子的主谓应部分倒装。由 not until 引导的时间状语从句位于句首时，主句应部分倒装，从句语序不变。例句:Not until 1998 did he return to his hometown.直到 1998 年他才回到家乡.Not until Father came back did we begin to have supper last night.昨晚直到父亲回来,我们才开始吃晚饭.