not,until什么意思？not,until的用法时态

今天小编要给大家介绍的是not until，下面跟着小编来看看not until意思及用法时态吧！ not until意思是 直到...才；在...以前不 双语例句： 1.It was not until he got seriously ill that he knew the importance of health. 直到他生了重病，他才知道健康的重要。 2.It was not until a few months later that he knew the story. 直到几个月后，他才知道这故事。 3.Not until a few months later did he know the story. 直到几个月后,他才知道这件事。 4.Not until his friend offered to help could he do it. 他的朋友帮助他，他才有办法做那事。 5.Not until last night did I get the news. 直到昨晚我才听到这消息。 6.I don't know whether we will start the job or not until I see how the land lies. 在没有分析情况之前，我不知道是否要开始这项工作。 7.Not until eleven o'clock did he come home. 他到十一点才回家。 8.It was not until he came that I left. 直到他来我才离开。 用法： 1.当Not until位于句首时,句子要倒装。结构为:Not until+从句/表时间的词+助动词+(主句)主语+谓语+.如: ①Not until the teacher came in did the students stop talking. 直到老师进来学生们才停止讲话. ②Not 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+. 上面两句改为强调句为: ③It was not until the teacher came in that the students stopped talking. ④It is not until next week that the sports meet will be held. 直到我结婚的时候,我才有钱买了自己的房子.　It was not until I got married that I could afford to buy a house of my own.