he left without having breakfast怎样变成反意疑问句?

问题描述:

he left without having breakfast怎样变成反意疑问句?

didn't he?因为主句是he left, without having breakfast是介词短语做状语, 反义疑问句应看主句,因为主句是肯定,所以反义疑问句用否定,didn't he? He has never been to Beijing, has he? 因为主句当中有否定意义的...