we asked some people what annoyed them.和what annoys you

问题描述:

we asked some people what annoyed them.和what annoys you
annoy为什么不同?

第一句,由于前部分(这是个从句)已经给出时态--一般过去式,后面的从句也用相应时态,用annoyed.
而第二句是一个特殊疑问句,What等疑问此后通常都用一般现在时,用annoys.