поставить существительные в форму множественного числа и сделать соответствующие изменения в предложениях:
1.There is a sentense on the blackboard.
2.Is there a desk in the room?
3.There is not any book on the table.
4.Is there a dictionary on the chair ?
5.There is a match in the box.
6.There is a girl in the picture.
7.There is no child in their family.

1.There is a sentense on the blackboard.-there are sentences on the blackboard(s).
2.Is there a desk in the room?-are there desks in the room(s)?
3.There is not any book on the table.there are not any books on the table(s).
4.Is there a dictionary on the chair ?are there dictionaries on the chair(s)?
5.There is a match in the box.there are matches in the box(es).
6.There is a girl in the picture.there are girls in the picture(s).
7.There is no child in their family.there are no children in their family(ies).