be, was, were, been	byc
beat,beat,beaten	uderzac,bic
become,became,become	stawac sie
begin,began,begun	zaczynac sie
bite,bit,bitten	gryzc
blow,blew,blown	wiac,dmuchac
break,broke,broken	lamac,tluc
bring,brought,brought	przynosic
build,built,built	budowac
burn,burnt/burned,burnt/burned	palic sie
buy, bought, bought	kupowac
catch,caught,caught	lapac
choose,chose,chosen	wybierac
come,came,come	przychodzic,przyjezdzac
cost,cost,cost	kosztowac
cut,cut,cut	ciac,skaleczyc sie