he is dead for 2 years or has been dead for 2 years

He has been dead for three years 为什么是he has been dead for 10 years而不是he has dead for 10 years He 【has been dead】谓语【 for 3 years】状语 jack has been dead for three years He has died for three years.He has been dead for three years She___ for more than 2 years.A.has been died B.has been dead My grandma has been dead for five years 同义句 Her grandmother has been dead for two years 为什么是 her grandmather has been dead for two years同义句 He has been dead for 3 years 怎样分主谓宾吖 though he has been dead for nearly two hundred years ,his mu 同义句my grandfather has been dead for five years it is five ye