Is there a desk in your room? is there carpet in your room? is there a bookscase in your room? are there any posters in your room? name three things you likes best in your room . как правильно дать ответ на вопрос на языке.

1,2,3) Yes there is (если ответ "да")/no there isn't (если ответ "нет")
4) Yes, there are (если ответ "да")/No, there aren't (если ответ "нет")
5) I like my computer, my sofa and my table the best.