Here are some examples:
* The cat is sleeping on the couch. (The subject "cat" refers to one cat.)
* My friend is coming to visit this weekend. (The subject "friend" refers to one friend.)
* The book is on the table. (The subject "book" refers to one book.)
* Happiness is a feeling of joy. (The subject "happiness" refers to one concept.)
Key features of a singular subject:
* It is usually a noun or pronoun.
* It can be a single word or a phrase.
* It is the main focus of the sentence and performs the action of the verb.
* It agrees with the verb in number (singular subject takes a singular verb, plural subject takes a plural verb).
Examples of singular subjects with singular verbs:
* The dog barks.
* She sings.
* My car needs a wash.
* The sun shines brightly.
Note:
* Be careful with collective nouns (e.g., team, group, family) which can be either singular or plural depending on the context.
* When using indefinite pronouns like "everyone", "someone", "anyone", "no one", and "each", the subject is singular and the verb should be singular as well.
Understanding singular subjects is crucial for proper grammar and clear communication.