The Interrogative Pronoun чьи
Вопросительное местомение чьи (мн.ч.)
It is used to ask questions about the owner of the objects.
The pronoun чей? agrees with the noun it qualifies in gender, number and case:
| Singular | Plural | ||
| Masculine | Feminine | Neuter | |
| чей? - whose? | чья? - whose? | чьё? - whose? | чьи? - whose? |
чей учебник? whose textbook? | чья книга? whose book? | чьё письмо? whose letter? | чьи учебники, книги, письма? whose textbooks, books, letters? |
