We / walk / in / the park (?)
Are we walking in the park?
She / skateboard / now (?)
Is she skateboarding now?
She / go / to / the / gym (-)
She is not going to the gym.
It / snow / today ( - )
It is not snowing today.
She / play / with / a / doll (+)
She is playing with a doll.
She / skateboard / now (?)
Is she skateboarding now?
He / do / his / homework. (+)
He is doing his homework.
She / wear/ a green dress. (+)
She is wearing a green dress.
They / cook / cookies (?)
Are they cooking cookies?
they / wear / school / uniform (?)
Are they wearing school uniform?
I / study / at the university (-)
I am not studying at hte university.