I have to be in bed by ten o’clock.的同意句是什么?

问题描述:

I have to be in bed by ten o’clock.的同意句是什么?

一楼的不错

I have to go to bed by ten o'clock
或I have to go sleeping at ten o'clock
一般睡觉go to bed就可以了

这个句子很别扭,
I have to go to bed at 10 o'clock
一般时间不会和介词by同用

I have to go to bed before 10:00