He _ _ having a picnic
is
We _ _ _ hiking in the mountains
are
What's this?
These are mountains
You _ _ _ taking photos
are
What are you doing?
I’m collecting shells
They _ _ _ playing football
are
What's this?
It's a forest
What's this?
It's a beach
I _ _ snorkelling
am
What are you doing?
I'm taking photos
What are you doing?
I’m building a sandcastle
She _ _ collecting shells
is
What are you doing?
I’m snorkelling
What's this?
It's a village
What's this?
It's a lake
What are you doing?
I’m hiking
What's this?
It's a city
What are you doing?
I’m making a fire