I have to be home by 10：00pm为什么是be home而不是go home

I have to be home by 10：00pm为什么是be home而不是go home I have to be home by 10 pm. I have to be home by 10:00pm.不应有at吗 I have to be home by ten o'clock.为什么不是be at home? i have to be home by 10:00 的句型分析,be 在这是什么成分,不是用go I have to go home （不迟于）10：00pm. have to be home by 10 o'clock 为什么用by go to the park ,go to school,为什么是go home 而不是go to home I have to be home by 10 o'clock(对10 o'clock 提问） 英语选择I shouldn't be ______,but I have to got to go back home I will be allowed to have Monday（）to go to home go home get home come home be home的区别