Question

Passe para a forma negativa e a forma interrogativa do present continuous.
She is cooking the dinner.
They are studying for the test
We are living in a small city
Marcos is doing exercises every day

Answer 1

She is cooking the dinner

Int- Is she cooking the dinner?

Neg- She isn't cooking the dinner.

They are studying for the test

Int- Are they studying for the test?

neg- They aren't studying for the test.

We are living in a small city

Int- Are we living in a small city?

Neg- We aren't living in a small city.

Mascos is doing exercises every day
 
Int- Is Marcos doing exercises every day?

Neg- Marcos isn't doing exercises every day.