The Accusative Case of Russian nouns.

You will find accusative case in English with pronound In English you will notice that accusative is used with pronouns. For example: I love them. You inspire her. Russian language uses the accusative case for all nouns.Russian nouns in the accusative case are used in the following instances in the sentence:

1. To indicate the object of an action. Here nouns answer the questions: Кого? Что? (Whom? What?) Normally they're used with verbs that imply that the action involves or affects another person or object like сообщать, рассказывать, показывать, советовать, объяснять, хотеть, преподавать, давать, дарить, говорить, писать, звонить, продавать, покупать, презентовать, ждать and others. For example:

Я подарил учителю часы. I gave the teacher a watch as a gift.
Вы ждали профессора. You were waiting for the Professor. 
Она показала план строителямShe showed a plan to the builders. 
Они купили велосипед. They bought a bicycle. 
Россия презентует Олимпиаду в Сочи. Russia will present the Olympics in Sochi.

2. To indicate the destination of an action. Here nouns answer the question: Куда? (Where?). Normally used with prepositions в (to, into) / на (on) / через and verbs of motion like ехать, идти, ходить, летать, плавать, двигать, переезжать, переносить, доставлять, залезать and others. For example:

Давай занесём мебель в комнату! Let's bring the furniture to the room!
Когда ты поедешь в Москву? When will you go to Moscow?
Они переехали на четвертый этаж. They moved to the fourth floor.
Я летел в Париж через Франкфурт. She flew to Paris through Frankfurt.

3. To indicate the time of an action. Normally used with the preposition через and the above described verbs of motion. Sometimes in literature and songs used with prepositions like сквозь whick have similar meanings.For example:

Александр приедет через день. Alexander will arrive in a day. 
Что будет через неделю? What will be in a week?
Сквозь года я вернусь. I'll be back through the years. (literary style)


To see how the nouns' endings change in the accusative case see the Declension of Singular Russian Nouns.