What part of speech is the following words : who, what, when, where, why, whom, which, whose .

The following words are interrogative pronouns.

Interrogative pronoun.

Yes, that's correct! Interrogative pronouns are used to ask questions and include words such as "who, what, when, where, why, whom, which, and whose."

The words "who," "what," "when," "where," "why," "whom," "which," and "whose" are called interrogative pronouns. These pronouns are used to ask questions.

To determine the part of speech of a word, you can follow these steps:

1. Identify the word in the sentence.
2. Determine its function or purpose in the sentence.
3. Check its characteristics and usage.

In this case, the words you mentioned are pronouns because they are used to replace nouns or refer to people, places, things, or ideas. More specifically, they are interrogative pronouns as they are used to ask questions.

For example:

- Who is your friend? (replaces a noun and asks for the identity of a person)
- What is that noise? (replaces a noun and asks for the identity of an object or thing)
- When is your birthday? (asks for the time or date)
- Where is the nearest coffee shop? (asks for a location)
- Why did you do that? (asks for a reason)
- Whom did you invite to the party? (asks for the object of a verb or preposition)
- Which book did you choose? (asks for a selection or choice)
- Whose car is this? (asks for possession or ownership)

Therefore, the part of speech for these words is interrogative pronouns.