The word 'which' is a pronoun and an adjective.
The pronoun 'which' functions as an interrogative pronoun and a relative pronoun.
An interrogative pronoun introduces a question. The pronoun 'which' takes the place of a noun for one of two or more people or things.
A relative pronoun introduces a relative clause, a group of word that includes a subject and a verb but is not a complete sentence. A relative clause gives information about its antecedent.
Examples:
Which of the cars did you buy? (interrogative pronoun)
I bought the car which has the best warranty. (relative pronoun)
An adjective 'which' is placed before a noun to describe that noun.
Example: I'll have to check my calendar to see whichday I'm free.
In the sentence, "Which roads leads to Tennesse?", "which" is an interrogative adjective (or interrogative pronoun, according to some grammarians).
"When" is an adverb when it begins a sentence.
it depends what word it is it could be any part of speech depending on the sentence
In a sentence, the word "action" can function as a noun.
The part of speech for "gliding" is a gerund, which functions as a noun in a sentence.
The part of speech of "correct" in this sentence is an adjective.
The part of speech that answers "what" or "whom" in a sentence is a pronoun. Pronouns are words like "he," "she," "it," "they," "who," and "what" that replace nouns in a sentence.
All subjects are part of speech for they are all nouns.
you
Pronoun
Noun
Him is a pronoun.