We CAN speak English very well!
ability
We MAY end this class 5:45.
possibility / probability
I CAN'T speak Italian.
ability
We MIGHT NOT do exercise 3.
possibility / probability
I MIGHT call you tonight.
possibility / probability
We MAY use the telephone to talk to her.
possibility / probability
You SHOULD study for the CNA English tests.
advice / suggestion
SHOULD we use masks?
advice / suggestion
MAY I go to the bathroom?
possibility / probability
CAN you cook?
ability
We COULD go to the movies.
possibility / probability
We HAVE TO wash our hands because of Covid-19.
obligation / necessity