Not…until…主句与从句的动词延续性问题(请教曹老师) - 柯帕 ...

until的用法总结. 1)用于肯定句,意为“到…时;直到…为止”,引导时间状语从句,主句谓语动词用延续性动词。 I will stay here until …

not until/until两者皆可接延续性动词和暂短性动词. not...until指的是“直到...才”的意思,如 I did not go home until my mother called …

1、 until用在肯定句,谓语动词通常是延续性动词. 例句: I waited until he came back. 我一直等到他回来。 The war lasted until 1945. …

如果主句 (或简单句)的谓语动词为延续性动词或状态动词的否定式, 要用 before, 一般不用until (till)。 例如: He had not done …

“until”后面一定要接延续性动词吗当动词为否定是可以加瞬间的如: He didn't go to bed until she came home.

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