To become-became; to break-broken; to buy-bought; to choose-chosen; to go-gone; to drink-drunk; to drive-driven; to find-found; to get-got; to grow-grown; to have-had; to keep-kept; to leave-left; to make-made; to see-seen; to read-read; to sleep-slept; to swim-swum; to send-sent; to take-taken; to think-thought; to wake-woken; to write-written.