Я ношу книгу в рюкзаку.

I

Breakdown of Я ношу книгу в рюкзаку.

• книга: the book
• в: in
• рюкзак: the backpack

Questions & Answers about Я ношу книгу в рюкзаку.

What is the infinitive form and aspect of the verb ношу here?

Ношу comes from the infinitive носити, which is an imperfective, multidirectional verb meaning “to carry” (habitually or generally). Its perfective counterpart is понести, and there’s also a unidirectional imperfective нести used for a single‐way action right now.

What case is книгу, and why does it end in -у instead of -а?

Книгу is in the accusative singular. In Ukrainian, most feminine nouns ending in -а replace that ending with -у in the accusative (direct‐object) form.

Why is the preposition в used with рюкзаку, and what case is рюкзаку?

Here в means “in” and expresses location, so it governs the locative case (also called the prepositional). The locative singular of рюкзак is рюкзаку, hence в рюкзаку = “in the backpack.”

Why is it в рюкзаку instead of у рюкзаку?