What is the primary function of the modal verb 'can' in a sentence?

mdaw

isabella.molinelli

myoungblood

metsitumewu05

dpatton

pc.k

jocelyn.molina-mancio

samra.faisal

nunesgm

shilpa.sarvani

alkhadzakil

howitt.am

howitt.am

oscarjosue.moraga

mamta.rajani

alkhadzakil

kylebrady

matheen03

heather.dow