语法学习| 如何区分still, already & yet？

我们用still表示仍然在发生的事情是还没有完成的。

Brian's toe is still badly swollen and he cannot put on his shoe. 布赖恩的脚趾头仍肿得厉害，不能穿鞋。

There are still some outstanding problems. 还有一些突出的问题。

我们用already表示已经完成的事，也许我们没想到这件事现在已经完成了。

She says she already told the neighbours not to come over for a couple of days. 她说她已经告诉了邻居们这两天不要过来。

He was already rich. 他早就富了。

在疑问句和否定句中，我们要用yet来表示还未发生的事，但我们认为它们将会发生。

Haven't you left yet? You'll be late!你还没出发吗？你会迟到的！

They haven't finished yet. 他们还没有结束。

No decision has yet been made.  尚未作出决定。

She hasn't yet set a date for her marriage. 她尚未定下她结婚的日子。