مبتدیان 1 - افعال معین و کمکی

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

توانستن, قادر بودن

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

باید

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

[فعل کمکی]

(auxiliary verb) used in forming interrogative and negative sentences

[در جملات سوالی یا منفی]

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

باید