Tanım
•expresses the goodness of the following verb; it is needed, one ought to · expresses the naturalness or obviousness of the following verb; ought to, must · expresses the necessity or obligation of the following verb; it is needed, one ought to
Etimoloji
Etymology tree Proto-Indo-European *terp- Proto-Indo-European *terbʰ- Proto-Slavic *terba Old Polish trzeba Polish trzeba Inherited from Old Polish trzeba.