May,might,can, must

 Here's a chart to help explain the meanings and uses of the modal auxiliary verbs "may," "must," "can," and "might":

Modal Verb	Meaning	Example Sentence
May	Possibility, permission	I may go to the party tonight.
Must	Obligation, strong advice	You must study for the test.
Can	Ability, possibility	I can swim very well.
Might	Possibility, uncertainty	It might rain later today.

Note: The meanings listed in the chart are not exhaustive, but provide a basic overview of their primary uses.

I hope this chart helps you understand the meanings and uses of these modal auxiliary verbs!