From Wiktionary, the free dictionary
байна • (bajna)
- durative tense in -на (-na) of байх (bajx)
- (roughly equivalent to am, is, are, be.) (generally used for yes-no questions regarding present conditions or circumstances)
- Энд харандаа байна. ― End xarandaa bajna. ― There is a pencil here.
- Танд мөнгө байна уу? ― Tand möngö bajna uu? ― Do you have money?