1. My classmates is doing a test now(afirmative).
My classmates isn't doing a test now(negative).
2. I'm wearing a hoodie today (affirmative).
I'm not wearing a hoodie today ( negative).
3. My dad is working today (affirmative).
My dad isn't working today (negative).
4. Our teacher is using a computer at the moment (affirmative).
Our teacher isn't using a computer at the moment.(negative).
5. We're listening to music (affirmative).
We aren't listening to music (negative).
6. Our teacher is wearing jeans (affirmative).
Our teacher isn't wearing jeans (negative).