if it were not for the reason that he has fallen ill,we would be having ...

问题描述:

if it were not for the reason that he has fallen ill,we would be having ...
为什么用has?

那你觉得用什么,
he reason that he has fallen ill是定语,其实你仔细看下这句话的意思,实际上对于现在是个完成时态,还是HE我用的is ill错是想想他陈述这个时间点已经生病了