How do you use subject in a sentence as a noun and verb?

The noun 'subject' (sub-ject) is a Word for a citizen of a state other than its ruler; a branch of knowledge; a person who is the focus of scientific or medical attention; the person or thing that is being discussed, described, or dealt with; (in grammar) a noun or term functioning as a noun about which something is stated.

A noun functions as the subject of a sentence or a clause, and as the object of a verb or a preposition.

The verb 'subject' (sub-ject) means to bring under control or rule; to cause or force to undergo an experience or form of treatment.

A verb in a sentence tells what the subject is or is doing.

Example uses:

• The subject of the lecture today is responsibility. (noun, subject of the sentence)
• The drug was withdrawn due to side effects that the subject experienced. (noun, subject of the relative clause)
• Don't bring the subject up. (noun, direct object of the verb 'bring')
• The king planned a terrible punishment for his subject. (noun, object of the preposition 'for')
• I refuse to subject my child to such an ordeal. (verb)

The Word 'subject' is also an adjective and an adverb.