I am home 和I am at home哪个对home 有两个词性一个是名词 一个是副词 什么时候用副词词性 什么时候用名词词性?

I am at home=I am in吗如图,3 I am not （）at home 请翻译 I am helpful at home I am stay at home 为什么错误 I am at home ,am 可不可以去掉,说出为什么? I AM GO HOME I AM GO HOME I am home可不可以改成I at home或I‘m at home i think i am going to stay at home I am I forget__my homework.It is at home. I am a( )I have left my key at home Am i doing my homework at home?一道连词成句题原题是I doing homework home am at________________________________________? I am afraid of being alone at home at night I am home 和I am at home哪个对home 有两个词性一个是名词 一个是副词 什么时候用副词词性 什么时候用名词词性? I am at my “I am at i am at help~ i am not at home this morning.改成过去式.过去式,