Think - thought- thought
drink-drank-drank
sit-sat-sat
lose-lost-lost
have-had-had
hear-heard-heard
Sleep-slept-slept
say-said-said
find-found-found
Read-read-read
Give-gave-given
tell-told-told
take-took-taken
understand-understood-understood
come-came-come
get-got-gotten
Wear-wore-worn
forget-forgot-forgotten