буду

In a sentence

• Ја ћу бити овде када они буду стигли.

  I will be here when they arrive.

  The word 'буду' is used here as the subjunctive form of the verb 'бити' (to be), indicating a future condition.

• Важно је да они буду спремни за испит.

  It's important that they are ready for the exam.

  In this case, 'буду' is part of a subordinate clause expressing necessity or importance, showing a condition tied to readiness.

• Било ми је драго да они буду део нашег тима.

  I was glad that they were part of our team.

  Here, 'буду' is used to frame a subjunctive past desire or preference, in the context of the speaker's retrospective view.