which
/wɪtʃ/
determiner
- Used to ask for information about one or more people or things from a limited set, followed by a noun.
- Which book did you borrow from the library?
- Which train goes to the city center?
- Which color do you like best?
- Used to refer to a specific thing or things previously mentioned, followed by a noun.
- We stayed at the hotel, which location was perfect.
- He wore his old shoes, which pair was very comfortable.
- The teacher explained the lesson, which topic was difficult.
pronoun
- Used to ask for information about one or more people or things from a limited set.
- Which of these books is yours?
- Which do you prefer, tea or coffee?
- She couldn't decide which to choose.
- Used to refer to a specific thing or things previously mentioned, often in a relative clause.
- The car, which was parked outside, had a flat tire.
- The movie, which we saw last night, was very exciting.
- He showed me the letter, which I read carefully.