vem

In a sentence

• Vem är ansvarig för projektet?

  Who is responsible for the project?

  Here, 'vem' is used as an interrogative pronoun to inquire about the identity of a person.

• Jag vet vem som skrev brevet.

  I know who wrote the letter.

  In this sentence, 'vem' introduces a subordinate clause and serves as a connector referring to an unspecified person.

• Du måste gå till receptionen, men vem ska du fråga?

  You need to go to the reception, but whom should you ask?

  Here, 'vem' is used to inquire about a specific person to address or interact with, functioning as the object of the second clause.