until
until now和not until?now 的区别？
now和not until?now 的区别？
until now释义：
至今，直到现在，迄今为止
例句：
Until now I have always lived alone.
直到现在，我一直独自生活。
not untilnow 释义：
直至现在才
例句：
Unfortunately I never had one to give them. Not until now.
很不幸，我没有这样一个东西给他们，直到现在。
not until和until区别？
not until中，主句的动词是非延续性的;而until肯定句中的谓语动词是延续性的。例如:He didnt marry until 40 years old.
I wiil wait for him until he comes back.
still，till和until的区别（举例）？
till / until在表达方式和意义上的特殊性：until是till的强调形式，但是它们表达的意义是相同的，都表示
not until 倒装用法？
not until …倒装句表示“直到…才…”。例如：
Not until he got home did he sit down and have a good rest. 直到回到家，他才坐下来好好休息一下。
Not until they finished their homework could they got out and play football. 直到他们完成了他们的作业，他们才能出去踢足球。
it was not until和it was until的区别？
it was until中的until时，表示直到...为止，主句谓语动词要用延续性动词，例如，We will wait for him until he come back。我们会等到他回来为止。而not ...until表示直到...才，主句谓语动词要用瞬间动词，例如He didnt go to bed until midnight。直到半夜他才上床睡觉。