Отрицательная форма:
1) There is no telephone in my room.
2) There are no offers and letters on my desk.
3) There is no computer on our secretary's desk.
4) There are not many books and business journals in our library.
5) There are not a lot of newspapers and magazines on the sofa.

Вопросительная форма:
1) Is there a telephone in my room?
2) Are there offers and letters on my desk?
3) Is there a computer on our secretary's desk?
4) Are there many books and business journals in our library?
5) Are there a lot of newspapers and magazines on the sofa?