Re:вопросы о русской грамматики

>- Why do you use accusative case for the objective noun of БЫТЬ like the following example? My dictionary doesn"t say БЫТЬ
takes accusative.
>
>What do you order? - I'll have fish.
>Что вы будете? - Я буду РЫБУ.

БЫТЬ is a auxiliary verb for future tense, and main verb, such as ЕСТЬ, ПИТЬ, or ВЗЯТЬ, is abbreviated at this case.

>- Why do you use nominative case for the objective noun of ЗВАТЬ like the following example? ЗВАТЬ makes no-subjective sentence, and I doubt ЗВАТЬ takes accusative case.
>
>What"s your name? - I am Peter.
>Как вас зовут? - Меня зовут ПЕТР.

Actually, ЗВАТЬ requires constructive case as one's name. But habitually, you use a nominative case at this sentence pattern.