Ответ:

1) there are 10 pencils on the table and 8 pens.

There aren't 10 pencils on the table and 8 pens.

Are there 10 pencils on the table and 8 pens?

2) There is one big blue ball.  in the room.

There isn't big blue ball in the room.

Is there a big blue ball in the room?

3) in the tree there are lots of green apples.

There aren't  green apples in the three.

Are there green apples in the three?

4)in the living room there is black and red carpet.

There is no black and red carpet in the living room.

Is there a black and red carpet in the living room?

5) there is some milk In the glass.

There is no milk in the glass.

Is there some milk in the glass?

6)there is a lot of meat in the store

There isn't a lot of meat in the store

Is there a lot of meat in the store?

7) there are many puddles on the street.

there aren't many puddles on the street.

Are there many puddles on the street?