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