What's she doing?
She's picking up litter.
What's the cat doing?
The cat's wasting water
What's he doing?
He's dropping litter.
What's she doing?
She's saving water.
What's she doing?
She's stepping on the flowers
What's she doing?
She's planting trees.
She isn't ....
She isn't stepping on the flowers (example)
The frog isn't ...
The frog isn't dropping litter. (example)
He isn't ...
He isn't wasting water (example)
She isn't ...
She isn't stepping on the flowers (example)
