Past Tense +
I stay in Hokkaido.
I stayed in Hokkaido.
She enjoyed her vacation.
She didn't enjoy her vacation.
They did their homework.
Did they do their homework?
play
played
He goes fishing.
He went fishing.
They took a bus yesterday.
They didn't take a bus yesterday.
They went to school.
Did they go to school?
study
studied
eat
She sees friends in the park.
She saw friends in the park.
I was happy.
I wasn't happy.
Tomoki ate sushi yesterday.
Did Tomoki eat sushi yesterday?
listen
listened
write
He buys coca-cola in 7/11.
He bought coca-cola in 7/11.
Yutaka bought three apples.
Yutaka didn't buy three apples.
You cleaned your room last night.
Did you clean your room last night?
They are artists.
They were artists.
I did yoga last night.
I didn't do yoga last night.
They wrote cards last year.
Did they write cards last year?
use
used
buy
bought