blow-blew-blown
sing-sang-sung
eat-ate-eaten
dream-dreamt-dreamt
catch-caught-caught
buy-bought-bought
fly-flew-flown
write-wrote-written
speak-spoke-spoken
sleep-slept-slept
learn-learnt-learnt
see-saw-seen
fall-fell-fallen
ring-rang-rung
lose-lost-lost
choose-chose-chosen
think-thought-thought
drive-drove-driven
swim-swam-swum
spend-spent-spent