I [sell] my skateboard. (+)
I sold my skateboard.
We [send] postcards. (-)
We sent postcards.
Susan [sing] a song. (?)
Susan sang a song.
I [sit] on a mountain. (-)
I sat on a mountain.
He [sleep] in the garden. (+)
He slept in the garden.
I [speak] to my grandfather. (?)
I spoke to my grandfather.
We [be] in the shops. (+)
We were in the shops.
I [be] in the kitchen. (?)
Was I in the kitchen?
They [swim] in the ocean. (+)
They swam in the ocean.
She [buy] the racket. (?)
She bought the racket.
Diana [take] a dance class. (-)
Diana took a dance class.
I [teach] my sister. (+)
I taught my sister.
He [tell] a funny story. (?)
He told a funny story.
He [throw] the ball. (-)
He threw the ball.
I [wake] up on the sofa. (+)
I woke up on the sofa.
You [wear] flip-flops. (?)
You wore flip-flops.
