Yes it is.
The plural would be houses.
The noun 'house' is a count noun.A count noun is a noun that has a singular and a plural form.The plural form of the singular noun 'house' is 'houses'.
The noun 'house' is singular, the plural form is houses.
The noun 'house' is a singular, common, concrete noun; a word for a thing.
The plural of house is houses.
The noun 'White House' is a singular, common, concrete, compound noun; a word for any white house anywhere. The noun 'The White House' is a proper noun, the name of a specific building; the home of the US President.
The singular form of the plural noun potters is potter.The singular possessive form is potter's.example: The potter's shed is behind the house.
There is one human and multiple animals in a farm. Here humans is singular and plural noun.
The possessive form of the singular noun Phillip is Phillip's.Example: I'll stop by Phillip's house with the assignment.
Yes. Hay is a singular noun. A Singular noun means one item only. So technically, hay is a singular noun.
The noun 'theory' is a singular noun. The plural noun is 'theories'.
The word 'house' is a general noun; a common, singular, concrete noun, a word for any house of any kind. A specific noun for house is a town house, a dog house, a carriage house, my house, etc. A very specific noun for house is The White House, Ten Downing Street, 155 Main Street, or Fallingwater House, Mill Run Road, Mill Run, PA.
The noun 'mice' is the plural form of the singular noun 'mouse'.