To express condition: " unless, " " provided that" .

unless，provided that。

Instead, we use " had" to express the unreal or hypothetical condition.

相反，我们用 had 来表达不真实或假设的情况。

Modality is when we use these verbs to express conditions on stuff.

情态是指我们使用这些动词来表达事物的条件。

This sentence is not correct because " despite" is not typically used in this context to express a condition or requirement.

这个句子是不正确的，因为“despite”在这个上下文中通常不是用来表达条件或要求的。

The easiest way to express conditions is with if-sentences.

最简单的方式是用if-句子 表达条件。