Interrogative Determiners: what, which, whose

Interrogative Determiners

what, which, whose

The interrogative determiners are: whatwhichwhose

Whose iPad did you use?
car keys are these?
What stupid man told you that?
books did you read?
Which red pen do you want?
three teachers do you prefer?

Whose means “belonging to which person”: They didn’t know whose car it was.

What is for asking for information specifying something: What time did you arrive? I wonder what reason he gave.

Which is for asking for information specifying one or more people or things from a definite set: Which table would you prefer? I wonder which teacher told him that.

Like all determiners, interrogative determiners come at the beginning of a noun phrase, so they come in front of any adjective(s).

Look at these example sentences:

  • Whose iPhone was stolen?
  • He couldn’t remember whose car keys they were.
  • What idiot told you that?
  • I don’t know what non-fiction books he was reading.
  • I asked them which Italian car was best.
  • Which nightclubs on the Champs Elysées did you go to?

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