The noun or pronoun about which something is said in a sentence acts as the Subject of that sentence. The subject can be in a specific state of action, existence or possession. The subject can be a word or a group of words.
The subject satisfies the question starting with ‘Who‘ or ‘What’.
- Alice lived in a wonderland.
- I will paint a picture for you.
- They did not visit my house.
- How can you say that?
- Trees give us flowers and fruits.
In the above examples, Alice, I, They, you, Tree are the subjects.
A noun, pronoun or any word acting in the capacity of a noun can be the subject for a predicate. It can be living or non-living, singular or plural in number, and masculine, feminine, common, or neuter in gender.