Verb forms

[olesar]

1. Use Tense and Aspect to split PastIter, PastSimp, PresHab (Past,Pres,Fut - ok)

[olesar]

2. Voice=Necess to Mood=Nec (?)

[Nofenigma]

Do we have any examples with PresHab? It looks very strange.

[olesar]

Please look at this, it can be an error of tekstynas:
cat *train.conllu | grep -n "PresHab"

415:12 būna būti VERB VBC Mood=Ind|Number=Sing|Person=3|Polarity=Pos|Reflex=No|Tense=PresHab|VerbForm=Fin|Voice=Act 15 parataxis _ En=be|SpaceAfter=No
881:3 nebūna būti AUX VBC Mood=Ind|Number=Sing|Person=3|Polarity=Neg|Reflex=No|Tense=PresHab|VerbForm=Fin|Voice=Act 4 cop _ En=be
3581:33 būna būti VERB VBC Mood=Ind|Number=Sing|Person=3|Polarity=Pos|Reflex=No|Tense=PresHab|VerbForm=Fin|Voice=Act 28 parataxis _ En=be|SpaceAfter=No

[olesar]

New version of UD-Alksnis 2.1:
dalyvis ... VERB, VerbForm=Part
padalyvis ... VERB, VerbForm=Ger
pusdalyvis ... VERB, VerbForm=Conv
būdinys ... ADV, VerbForm=Conv

[Nofenigma]

415:12 būna būti VERB VBC Mood=Ind|Number=Sing|Person=3|Polarity=Pos|Reflex=No|Tense=PresHab|VerbForm=Fin|Voice=Act 15 parataxis _ En=be|SpaceAfter=No

Ok, now I see!
It's not grammatical in any case, it's just an additional form for būti (which can probably still require some solution). It's the analogue of Russian бывает (случается).