if it were not for the fact that you---ill,i would ask you t

C要不是你病了,我现在就让你去做这件事了。这是一个虚拟语气的句子,从时态搭配来看,这应该是跟现在事实相反的情况。主句 从句would/could/might have done 过去完成时 跟过去事实相反would/could/might do 过去时（be用were) 跟现在事实相反 另外,时间副词right now也说明是现在的时间。而你病了这是事实,所以用一般现在时,are。