a bed in the room.
Is there a bed in the room?
a rat in the kitchen.
Is there a rat in the kitchen?
books in her bag.
There aren't books in her bag.
a cat on the roof.
Is there a cat on the roof?
twenty students in the class.
There aren't twenty students in the class.
four pineapples in the box.
There are four pineapples in the box.
a durian in the sack.
Is there a durian in the sack?
five dogs in the room.
Are there five dogs in the room?
some children in the classroom.
Are there some children in the classroom?
a lamp in my bedroom.
There isn't a lamp in my bedroom.
a spider on my bed.
There is a spider on my bed.
many flowers.
There aren't many flowers.
a glass of water on the table.
There isn't a glass of water on the table.
a pen in the bag.
There is a pen in the bag.
a woman by the door.
There is a woman by the door.
two cats in the room.
There are two cats in the room.
a book on the table.
There isn't a book on the table.
apples in the basket.
There are apples in the basket.