My grandfather has been dead for many years.这句话为什么用has been的

My grandfather has been dead for many years.这句话为什么用has been的 同义句my grandfather has been dead for five years it is five ye Mr.Green has been dead for ten years为什么要用has been daed His father has been dead for two years为什么用been?been不是表被动吗? My grandfather has been _______ for ten years (die) My grandma has been dead for five years 同义句 为什么是he has been dead for 10 years而不是he has dead for 10 years the man has been dead for many years.为什么不用用died He has been dead for three years jack has been dead for three years Her grandmother has been dead for two years 为什么是 The hero has been dead for two years.为什么用dead ?而不用died ?