Sleep-slept-slept
write-wrote-written
blow-blew-blown
fly-flew-flown
draw-drew-drown
buy-bought-bought or pay-paid-paid
fight-fought-fought
eat-ate-eaten
fall-fell-fallen
see-saw-seen
build-built-built
cut-cut-cut
spin-spun-spun
feed-fed-fed
read-read-read
sing-sang-sung
