An interrogative pronoun asks a question. They are exactly the same words as a relative pronoun but relative pronouns do not ask a question.
Who is the teacher? What is for supper?
Note: the following sentence has a relative pronoun, not an interrogative pronoun.
I love books which speak well of liberty.
Greek:
The interrogative pronoun is exactly like the indefinite pronoun except the interrogative pronoun always has an accent on the first syllable.
Interrogative Pronoun, τίς, τί, who, what?
| Singular | Plural | |||||
| Masculine | Feminine | Neuter | Masculine | Feminine | Neuter | |
| Nominative | τίς | τί | τίνες | τίνα | ||
| Genitive | τίνος | τίνων | ||||
| Dative | τίνι | τίσι(ν) | ||||
| Accusative | τίνα | τί | τίνας | τίνα | ||