which
- pronoun
- /wɪtʃ/
- Your job is to tell me which one is blue.
- Which of the following
- decide which
And I'll tell you which are the nice functions.
- And I'll tell you which are the nice functions.
- Now the question is this, which mind is controlling our lives?
- If regrets are inescapable, you have to choose which one you want.
Examples
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Well, you must tell me which is your favourite.
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Then peruse the other ten options, which are superb examples for students to create as projects.
Academic text (2011) -
OK, I can tell which one is which without looking easily.
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All right, Johnny, which one of these is it?
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Pay attention to which end your wire goes to.
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Now the question is this, which mind is controlling our lives?
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We just don't know which one we like more.
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You can read the original, then read the parody, then decide for yourself which makes more sense.
Academic text (2011) -
Within the state of Maryland, there are 24 districts, all of which participate in the PBIS Initiative.
Academic text (2011) -
Can you tell me which book you prefer between these two?
Idioms
Surface Forms
Etymology
Which originally meant 'what kind' and is closely related to familiar words like what and who, so it is natural to use which when you ask someone to choose from a known group. That's why we ask 'Which of these?' when we want a specific choice.