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