What is a sentence with which as a pronoun?

Answer 1

The pronoun which can function as a relative pronoun and an interrogative pronoun.

• A relative pronoun introduces a relative clause; a group of words with a subject and a verb that relates information about its antecedent.
• An interrogative pronoun introduces a question. The antecedent of an interrogative pronoun is often the answer to the question.

Example sentence:

I wore the shoes which I find most comfortable. (relative pronoun)

Which is your favorite program? (interrogative pronoun)

Note: The word which also functions as an adjective when placed before a noun to describe that noun.

Example: I don't know which shoes to wear.

Answer 2

I am meeting with a friend with which I used to work.