1
Is like should but is more formal.
2
Is used to give advices or suggestions.
3
It\'s a modal that you can use to talk about hypothetical situations.
4
We often use it, to say that something is obligatory.
5
It\'s another form to talk about the future.
6
Is the past of can, you can transalate it also as podrìa.
7
We use it to talk about obligation.
8
Is used to talk about future promises and predictions.
9
Is used to talk about abilities, also to ask permission in an informal way.
10
Is used to talk about possibility or permission, is more formal than can.
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