"To be" or "Be" [closed]

"be" is the original format of the am/are/is/was/were/been/being (infinitive)
"to be" is to+be (to infinitive-infinitive here is "be") "to be" is used as below.

as noun

To be a teacher is my dream.

as adjective

A student to be an English teacher should study hard.

as adverb(for purpose)

You should study hard to be an English teacher.

infinitive(here "be") is used as below.

Be ambitious. Be happy. Be quiet. Be ready. Be there. Be here. Be a mother. Be a man. Be a fast runner. (imperative sentence)

"be" changes to is(he/she/it for present tense), was(he/she/it for past tense), were(they/you for past tense), been(I have been, You have been, They have been, She has been, He has been, It has been for present perfect tense and had been for past perfect like they had been, You had been, I had been, She had been, It had been)

Grammatically speaking, "be" is an auxiliary verb, and "to be" is its infinitive format.

Regarding the meaning, both kind of mean the same. They can both convey the existence or occurrence of something, possessing a quality, or just simply show a particular tense without having an independent meaning.