He sometimes is not a good boy at home.我句话对吗?从语法上　和实际上

He sometimes is not a good boy at home.我句话对吗?从语法上　和实际上 he is good【】home 填at对吗? 用Is和Does填空：（）he at home?（）he a good boy?（）he ciever? what a careless boy Robert is!这句话语法对吗 How clever a boy he is!这句话对吗? 英语简单定语从句The way he looks at the problem is wrong.这句话对吗?语法上有错 He is not at home 和 he is not home 一样意思吗,那么 i am home 和 I am It is really good to read books at home.这句话对吗? tony is a naughty boy .He is good at study ,but he is often He is good in baskball 和I'm not good at good at play volleyb Is he good now这句话对吗 He is a boy who is good at maths who is good at maths是定语从句 那