请问我这句说的对吗?you didn't notice that it was waste of time?

问题描述:

请问我这句说的对吗?you didn't notice that it was waste of time?
难道你们早没发现是在浪费时间吗?
我记的老友记里面有句话是这么说:
they weren't looking at you before?
感觉和这个句型差不多

已经为你订正好了:
Didn't you notice earlier that it was a waste of time?
难道你们早没发现是在浪费时间吗?