...
This is a duck
...
That is a duck
...
These are ducks
...
Those are ducks
...
This is a spider
...
That is a spider
...
These are spiders
...
Those are spiders
...
This is a lizard
...
That is a lizard
...
These are lizards
...
Those are lizards
...
This is a pig
...
That is a pig
...
These are pigs
...
Those are pigs
