not until 和 until的区别
问题描述：
not until 和 until的区别
答
not until 是在...之前 用于非延续性动词如:He didn't come back until 9 o'clock.not until:可放句首,但主句要用倒装． Not until midnight did he came back home.until是"直到...才...可用于延续性动词...