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    2015年卫生类职称英语考试备战已经开始了，这是小编整理的一些常见的语法，希望对您能有所帮助。开心生活，快乐学习。每天进步一点，积累下来便是巨大的进步。

    not …… until/till ……

    结构︰not…until/till+某一点时间

    说明︰此句型意为“直到…才…”。等于not …… before。句子若由not until开头，则要用倒装<句型>。

    Cotton material was not known in Europe until much later.

    直到很晚之后，欧洲才知道棉花布料。

    We did not start until the sun rose in the east.直到太阳从东方升起，我们才出发。

    He did not have a house of his own until he was thirty.直到三十岁，他才有属于自己的家。

    Not until eleven o'clock did he come home.他到十一点才回家。

    We do not know the value of health till we lose it.失去健康才知道健康的可贵。

    We had not waited long before she came.我们没等多久她就来了。

    Not until last night did I get the news.直到昨晚我才听到这消息。

    It had not been done before he came.这还没做完之前他就回来了。