Mr.Hart has trained his daughter for years.这句话里的has不应该是had吗

Mr.Hart has trained his daughter for years.这句话里的has不应该是had吗 My grandfather has been dead for many years.这句话为什么用has been的 He has lived here for ten years 这句话里哪个是作状语 为什么（要直白易懂的） His grandfather has _____ for ten years. His father has been dead for ten years.瞬间动词后不可接一段时间的吗? he has bought many presents for her daughter already 这句话对吗? mr.li has lived in beijing (for ten years) Mr Wang has taught _(they) English for three years It has been five years since he has left for beijing这句话对不对啊 Mr Smith has a _______ daughter 补全括号里的 Mrs Wang has taught for twenty years.She has twenty-y Mr Brown has a daughter and a s____.They both study in his s