Things that I learned in english class

1) Can
Uses:
-ability to do sth. in the present (substitute form: to be able to)
-permission to do sth. in the present (substitute form: to be allowed to)
-request
-offer
-suggestion
-possibility

2)Active verb
e.g.Jason(doer) closed(verb) the door(receiver)

3)Passive verb
e.g.The door (receiver) wasclosed(verb)