Not until he came back did I go to bed .这个句子要用倒装我知道,但为什么前面不改成did he come呢?
问题描述：
Not until he came back did I go to bed .这个句子要用倒装我知道,但为什么前面不改成did he come呢?
答
NOT until 位于句首,倒装的是前面的句子啊