请问各位: The door isn't locked! Why didn't Franco lock it before he left? Why ask me ? How am I supposed to know why [he didn't lock] it ? 第二句的why整句不是名词子句吗? 主词放在动词&助动词前 而文法书上(AZAR P244 12-2chart)写说do does 用于疑问句，但不用于名词子句， 请问各位为什么在这句的名词子句中用do does呢?
作者: Meifan (Mei I love U? (我是男的) 2017-10-09 23:44:00
如果你说的do does是 he [didn't] lock it的话do does[不用于]名词子句，会不会是因为是肯定句why那句应该是因为didn't是否定句所以要保留