一个英语语法简单的问题Notuntilhesawhismotherlyinginbed,dying,didherealizehowmuchhelovedher中文翻译为：直到看见弥留之际躺在床上的母亲,他才意识到自己是多么地爱她前面为什么要加个NO呢

Question

一个英语语法简单的问题
Not until he saw his mother lying in bed,dying,did he realize how much he loved her
中文翻译为：直到看见弥留之际躺在床上的母亲,他才意识到自己是多么地爱她 前面为什么要加个NO呢 是翻译错误吗 还是什么语法呢

Answer 1

not 是not until 中的not ,意为直到.才.,提前到句首,所以倒装did he 本句子=
He didn't realize how much he loved her until he saw his mother lying in bed ,dying.