not until基本結構：not主句+until+從句；倒裝句結構：Not until+從句+倒轉的主句(主倒從不倒) ；not until后邊還可跟介詞短語。not until可接延續(xù)性動詞和暫短性動詞，指的是“直到...才”的意思。

not…until的用法是什么

一、not until可接延續(xù)性動詞和暫短性動詞.

指的是“直到...才”的意思，如：

I did not go home until my mother called me.

二、not until的倒裝與強調結構

1、當Not until位于句首時,句子要倒裝.其結構為:Not until+從句/表時間的詞+助動詞+(主句)主語+謂語+.如:

Not until the teacher came in did the students stop talking.直到老師進來學生們才停止講話

Not until next week will the sports meet be held.直到下周才開運動會

2、not until的強調結構為:It is / was not until+從句/表時間的詞+that+.

not…until的例句

People say:“ Guilin's scenery is peerless in the world." It was not until I visited the place that I found it really worthy of the reputation.

人們都說“桂林山水甲天下”，到桂林一看，果然名不虛傳。

Not until they heard that she was safe and sound were their minds set at rest.

聽到她平安無事的消息，大家心里才一塊石頭落地。

It was not until morning that the sheer scale of the damage could be seen.

直到早晨才看清了損害的嚴重程度。