I did my homework yesterday.
irregular verb: do -> did
Last night, John watched a film.
regular verb: watched = watch + ed
Tom built a wall around his house.
irregular verb: build -> built
She fell and broke her leg.
irregular verb: fall -> fell; break -> broke
Tom bought a really expensive, well-made pair of shoes.
irregular verb: buy -> bought
This ring cost me a thousand dollars.
irregular verb: cost -> cost
The fog cleared away and the full moon appeared.
regular verb: cleared = clear + ed
Mary changed her outfit into jeans, a T-shirt and sneakers.
regular verb: changed = change + d
He gave me a beautiful watch.
irregular verb: give -> gave
