Regular Past
Past of play
played
Go
Went
Make negative: "I cooked."
I didn't cook.
did you sleep?"
Where / How
Past of study
studied
eat
ate
She saw a movie.
She didn't see a movie.
did you eat?"
What
Past of stop
stopped
buy
bought
"They went home.
They didn't go home.
did they leave?
Why / When