He is at home.at home在句中做什么成分?

He is at home.at home在句中做什么成分? maybe he is at home He gets home at 5:00 ,中的home 是什么成分? he is at home 的同一句 he is good【】home 填at对吗? He is very helpful at home Is he at home?的同一句 He is at home的句子结构 Is there () at home Mr.Wang isn't at home.He is at w() john____lunch at school. He has is at home he is ill at home等于he is sick at home 么