Вопрос по английскому языку:

Помогите пожалуйста!
заполни пропуски соответствующими формами глагола to be
1) There ...... books on the shelf.
2) There .... houses in this street.
3) There ....a sofa in the room.
4) There ....an armchair in the room.
5) ..... there flowers in the vase?
6) There .... not any pens on the table.
7) ...... there any water in the glass?
8) .... there many apples at home?
9) There .... a lot of letters on the shelf.