How do you write proper sentences of nouns?

A noun is a Word for a person, place, or thing.

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

Examples:

Noun subject of sentence: Aunt Jane made cookies for Jack and Jill.

Noun subject of clause: The cookies that Aunt Jane made are for Jack and Jill.

Noun object of verb: Aunt Jane made cookies for Jack and Jill.

Noun object of preposition: Aunt Jane made cookies for Jack and Jill.