前面用介词on，例如：

1. On school nights, I either do my homework or read books ． I never watch TV ．在上学日的晚上,我要么做作业,要么看书。

我从不看电视。

2. Don't play computer games on school nights.别在有上课的晚上玩电脑游戏！3.For example, I have to stay at home on school nights.例如，在每星期上课日的晚上我必须呆在家里。