A tall tree.
This tree is tall and green.
A river.
This river is long.
A pond.
Fish and frogs live in this pond.
An ocean.
We can't drink ocean water.
A mountain.
Some mountains are very high.
A forest.
A forest has many trees.
A little dog.
This little dog is working.
A sleeping cat.
This cat is sleeping.
To bird in the tree.
This two birds are in a tree.
A frog.
This frog lives in the pond.
A family of ducks.
This is a family of duck.
A little dog.
This little dog is walking.
A black and a white cat.
That cat is sleeping.
A bird.
Birds can fly.
A frog.
This frog lives in a pond.
Ducks.
This is a family of ducks.
