A pronoun is the word that takes the place of a noun in a sentence and can perform the same functions as a noun. A pronoun can function as the subject of a sentence or a clause, and the object of a verb or a preposition. Examples:
Subject of sentence: She made cookies for Jack and Jill.
Subject of clause: The cookies that she made are for Jack and Jill.
Object of verb: Aunt Jane made them for Jack and Jill.
Object of preposition: Aunt Jane made cookies forthem.
A verbal is a verb form that functions as another part of speech in a sentence. Verbal phrases can act as nouns, adjectives, or adverbs.
A pronoun can be substituted for a noun and can perform all of the functions of a noun.
adjective
Nouns or pronouns.
All subjects are part of speech for they are all nouns.
Possessive nouns and possessive pronouns functions as adjectives which are used to describe a noun.
He, she, and it are pronouns, which are a part of speech that replace nouns to avoid repetition in a sentence.
when this and that are used to modify nouns they are treated as which part of speech
Both words are nouns.
preposition for sure
They are nouns.
The part of speech for "gliding" is a gerund, which functions as a noun in a sentence.