kołatać

Etymology
.

Verb

 * 1)  to knock
 * 2)  to rattle
 * 3)  to strive, to press
 * 4)  to fleet, to appear, to flutter
 * 5)  to wander, to potter about
 * 6)  to trudge, to traipse

Conjugation
Standard conjugation:

Literary conjugation:

Colloquial conjugation: