I (+)
I am looking for shells
She (-)
She isn´t wearing sunglasses
She (+)
Is she eating?Yes, she is/No, she isn´t
They (-)
They aren´t picking up rubbish
You (+)
You are recycling
I (+)
I am reusing
He (+)
He is drinking water
I (-)
I am not looking for shells
I (-)
I am not reusing
She (+)
She is eating
He (+)
He is cleaning
They (+)
They are picking up rubbish
She (+)
She is making a sandcastle
You (-)
You aren´t recycling
She (+)
She is wearing sunglasses
He (-)
He isn´t making a sandcastle
He (-)
He isn´t cleaning
He (-)
He isn´t drinking water
We (-)
We aren´t wearing a dress
She (-)
She isn´t eating
We (+)
We are wearing a dress