Are they skateboarding?
No, they aren't.
Firefighters/put down the fire
The firefighters are putting down the fire.
Chef/cooking/lunch
The chef Is cooking lunch.
What are they doing?
They are watching TV.
Are they dancing?
Yes, they are.
Is he playing football?
No, he Isn't.
Ver/look after/cat
The vet is looking after a cat.
What is she doing?
She Is lisntening to music.
What are you doing?
I'm reading a book.
She/not play/violín
She isn't playing the violin.
Waiters/not serve drinks
The waiters aren't serving drinks.
Is she singing?
Yes, she Is.