This is the 10232nd most frequent Polish word.
bêd
The word "bêd" does not exist in Polish; it might be a typo or misunderstanding.
Here, "będę" is the first person singular future tense of the verb "być" (to be), which is used to indicate an action or state in the future.
Prawdopodobnie będę zajęty jutro.
I will probably be busy tomorrow.
In this sentence, "będziesz" is the second person singular future tense of the verb "być" (to be). It is used in questions about future events.
Czy będziesz na spotkaniu w piątek?
Will you be at the meeting on Friday?
Here, "będzie" is the third person singular future tense of the verb "być" (to be), indicating a future state or size expectation.