3.

bend - bent - bent
bind - bound - bound
bleed - bled - bled
breed - bred - bred
build - built - built
burn - burnt/burned - burnt/burned
buy - bought - bought
catch - caught - caught
cling - clung - clung
creep - crept - crept
deal - dealt - dealt
dig - dug - dug
deal - dealt - dealt
dream - dreamt/dreamed - dreamt/dreamed
feed - fed - fed
feel - felt - felt
fight - fought - fought
find - found - found
get - got - got
grind - ground - ground
hang - hung - hung
have - had - had
hear - heard - heard
hold - held - held
keep - kept - kept
kneel - knelt - knelt
lay - laid - laid
lead - led - led
lean - leant/leaned - leant/leaned
learn - learnt/learned - learnt/leaned
leave - left - left
lie - lied - lied
light - lit - lit
lose - lost - lost
make - made - made
mean - meant - meant
meet - met - met
pay - paid - paid
say - said - said
sell - sold - sold
send - sent - sent
shine - shone - shone
shoot - shot - shot
sit - sat - sat
sleep - slept - slept
slide - slid - slid
smell - smelt - smelt
spell - spelt/spelled - spelt/spelled
spend - spent - spent
spill - spilt - spilt
spit - spat - spat
stand - stood - stood
stick - stuck - stuck
sting - stung - stung
strike - struck - struck
sweep - swept - swept
swing - swung - swung
teach - taught - taught
think - thought - thought
understand - understood - understood
weep - wept - wept
win - won - won
wind - wound - wound