Shrek: I'm sorry. I guess I am just a big, stupid, ugly ogre. Can you forgive me? Donkey: Hey that's what friends are for, right? Shrek: Right. Friends? Donkey: Friends. [From the movie "Shrek"] I think "what" is a relative pronoun and the object of "for." Is so, I'd like to get some examples using the relative pronoun "what" as the object of prepositions for my memo. Thank you in advance for your help.
Top answer
'that' is the relative pronoun.
— Anonymous
'that' is the relative pronoun.
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I disagree with Anon. In this sentence "that" is a demonstrative pronoun. "what" is the logical object of "for", as you say. This "what" does not seem to be included in many lists of relative pronouns. However, a few sources describe it as that; for example https://en.wikipedia.org/wiki/Relative_pronoun and