B-C
become
became - become
eat
ate - eaten
hear
heard - heard
build
built - built
fight
fought - fought
hide
hid - hidden
broadcast
broadcast - broadcast
forbid
forbade - forbidden
light
lit - lit
creep
crept - crept
dig
dug - dug
lie
lay - lain
burst
burst - burst
flee
fled - fled
kneel
knelt - knelt