This is the 30th most frequent Ukrainian word.
бути
To be.
The verb 'бути' is used in its infinitive form to indicate the concept of 'to be' in a future condition.
Я хочу бути вчителем.
I want to be a teacher.
The verb 'бути' is used in its infinitive form to imply potential or possibility in a statement.
Це може бути відповідь.
This could be the answer.
The word 'буде', derived from 'бути', indicates the future tense of 'to be', specifying a future state or condition.