Singular Sentences
* The cat is sleeping on the couch.
* A dog barked loudly at the mailman.
* My friend went to the movies last night.
* The book was very interesting.
* This house is for sale.
Plural Sentences
* The cats are sleeping on the couch.
* Several dogs barked loudly at the mailman.
* My friends went to the movies last night.
* The books were very interesting.
* These houses are for sale.
Key Differences:
* Subject: The subject of a singular sentence is a single noun, while the subject of a plural sentence is a plural noun.
* Verb Agreement: The verb in a singular sentence agrees with a singular subject, and the verb in a plural sentence agrees with a plural subject.
* Articles: The articles "a" and "an" are used with singular nouns, while "some" or "many" are used with plural nouns.
Examples:
* Singular: The dog is eating its bone.
* Plural: The dogs are eating their bones.