Negative example: " He isn't sleeping." Are you sleeping?

反例：“他没有睡觉。”你在睡觉吗？

Let's look at a negative example, negative sentence: He has not been working.

我们来看一个反例， 否定句：He has not been working。

Let's look at a negative example: By next week. Sam won't have been working for a year.

非常好。 让我们看一个反面例子：到下周。 山姆不会一直工作一年。