A singular noun names one person, one place, or one thing.
My grandparents' house is on a farm.
My dog has black spots.
This box is too heavy to lift.
A plural noun names more than one person, place, or thing.
We make most nouns plural by adding s or es.
If the noun ends in a y, we change the y to an i and add es.
Rena walks many different types of dogs.
We had many boxes to pack before moving day.
I love berries.