1·She would be in bed by now, as like as not.
这工夫她很可能睡了。
—— 《牛津词典》
2·We had to be in bed by 9:00 pm and up at 8:00 am.
我们必须在晚上九点前上床，早上八点起床。
3·You're supposed to be in bed.
我们应该待在床上。
4·We're supposed to be in bed!
我们应该待在床上。
5·He should be in bed by now.
他现在应该还在睡觉。
6·I thought he could be in bed now.
我想这会儿他可能在睡觉。
7·And I have to be in bed by ten o 'clock.
十点钟前我就得上床睡觉。
8·He has to be in bed by ten o 'clock.
他十点前就不得不睡觉。
9·It is time for children to be in bed.
孩子们就寝的时间到了。
10·The child with the cough ought to be in bed.
这患咳嗽的孩子应该睡在床上。