not until的用法例句

not...until的基本含义是直到...才，在...以前不。通常与非延续性动词连用，当其位于句首时,句子要倒装。

一.not...until基本含义是“直到...才”。

I did not go home until my mother called me.

我直到我妈妈打电话给我才回家。

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。

二.not until的倒装与强调结构，not until通常与非延续性动词连用，强调主句所表示的状态或情景从until所表示的时间才发生，主句必须是否定句。

1.当Not until位于句首时,句子要倒装。其结构为:Not until+从句/表时间的词+助动词+(主句)主语+谓语

（1）Not until the teacher came in did the students stop talking.

直到老师进来学生们才停止讲话。

（2）Not until next week will the sports meet be held.

直到下周才开运动会。

2.not until的强调结构为:It is / was not until+从句/表时间的词+that

（1）It was not until the teacher came in that the students stopped talking.

（2）It is not until next week that the sports meet will be held.

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