to speak
spoke - she has spoken
to spell
spelt - she has spelt
to spend
spent - she has spent
to stand
stood - they have stood
to steal
stole - she has stolen
to stick
stuck - it has stuck
to sweep
swept - he has swept
to swim
swam - he has swum
to take
took - he has taken
to teach
taught - he has taught
to tear
tore - he has torn
to tell
told - she has told
to think
thought - I have thought
to throw
threw - he has thrown
to understand
understood - he has understood
to wake
woke - he has woken
