Can I bang your erasers after class?

下了课我能给你擦黑板吗？

John helped his teacher erase the blackboard after class.

约翰下课后帮老师擦黑板。

Yes, absolutely. Are you busy after classes?

是啊。你课后都做些什么呢？

Let's see Jane this afternoon after class.

今天下午下课后我们去见简。

Good learners often ask questions during or after class.

好的学习者经常在上课期间或者课下提问题。

I'll meet you in the cafeteria after class.

下课后我在食堂等你。

Spend at least ten minutes organizing your notes after class.

下课后至少花十分钟整理笔记。

It is not very big. We often play there after class.

它不是很大，我们经常课下在那玩。

He often talked to his science teacher, Mr. Anderson, after class.

在课后，他经常和他的科学老师安德森先生探讨。

We'll also be here for a few minutes after class.

下课后，我们也会留下几分钟。