Learn Hardcore Russian: Где мой друг?

In Russian, the present tense of the verb быть (to be) is typically omitted. Even though the English sentence requires the verb "is", Russian simply relies on word order and context to imply it.

What role does the word где play in this sentence?

Где is an interrogative adverb meaning "where". It introduces the question by asking about location.

How does the possessive adjective мой function in this sentence?

Мой means "my" and it agrees in gender, number, and case with the noun it modifies. Here, it modifies друг (friend), which is masculine singular in the nominative case.

Why is the noun друг in the nominative case even though the question asks about location?

In Russian, the subject of a sentence remains in the nominative case, even when the verb быть is omitted. Although где signals that a location is being queried, друг still functions as the subject of the implied state of being.

How would the sentence change if referring to a female friend instead of a male friend?

For a female friend, you would change both the possessive adjective and the noun. The sentence becomes "Где моя подруга?" where моя is the feminine form of and means (female).