مبتدیان 1 - افعال معین و کمکی

to be able to do somehing, make something, etc.

used to say what is suitable, right, etc., particularly when one is disapproving of something

(auxiliary) used with the past participle form of a verb when forming the passive voice

(auxiliary verb) used in forming interrogative and negative sentences

used to show that something is very important and needs to happen