"They are mother,father,grandpa,grandma and me."是不是病句

They are my grandpa,father,mother,brother and I.中为什么用I而不用me? grandma are your they grandpa and连词成句 what are his grandma and grandpa? My mother,my father and me is in home.这句是不是病句 They are my father,my mother and I i 为什么不能改成me They are my father,my mother and I.为什么是I,而不是Me? My grandpa and grandma are farmer.My grandpa and grandma is they are my father mother and i 还是they are my father mother They are my father ,mother and I,They are my father ,mother They re my grandpa and grandma的意思 求教英语 They are my father,my mother and me.最后的我是用me还是I? They're from Grandpa and Grandma.(对划线部分题问)画Grandpa and Grand