Be was were been	Byc
Beat beat beaten	Bic
Become became become	Stac sie
Begin began begun	Zacząc
Bite bit bitten	Ugrysc
Bleed bled bled	Krwawic
Blow blew blown	Dmuchac
Break broke broken	Złamac
Bring brought brought	Przyniejsc
Broadcaat broadcast broadcast	Nadawać