Сделать предложения отрицательным и вопросительным: there is an apple on the table. there is a banana on the table. there is a sausage on the table. there is a pear on the table. there is an orange on the table. there is a bread roll on the table. there is a biscuit on the table. there is an egg on the table. there is a cucumber on the table. there is a tomato on the table.

1)Is there an apple on the table?
There isn't an apple on the table.
2)Is there a banana on the table?
There isn't a banana on the table.
3)Is there a sausage on the table?
There isn't a sausage on the table.
4)Is there a pear on the table?
There isn't a pear on the table.
5)Is there an orange on the table?
There isn't an orange on the table.
По такой же функции делай и другие предложения. Просто писать лень.