drink
drank /dræŋk/ - drunk /drʌŋk/
read
read /red/ - read /red/
speak
spoke - spoken
spend
spent - spent
selll
sold -sold
sit
sat - sat
swim
swam /swæm/ - swum /swʌm/
see
saw - seen
forget
forgot - forgotten
send
sent - sent
find
found - found
fly
flew /fluː/ - flown /fləʊn/
eat
ate /eɪt/ - eaten /ˈiːt(ə)n/
fall
fell -fallen
sleep
slept - slept
feel
felt - felt