Пожалуйста помогитеГрамматика Гацкевич книжка 1

1 There are three potatoes on the table.
2 There are no pupils in the classroom.
3 There is a lemon on the plate.
4 There are no cars in the street.
5 There is one bottle of Coca-Cola in the fridge.
6 There is a pencil in the schoolbag.
7 There are two women in that car.
8 There is a nice kitten on the chair.
9 There is a beautiful rose in the vase.