 There are four windows in the room.
 Are there any flowers in the garden?
 How many students are there in her class?
 There are only two books in his room.
 How many countries are there in the world?
 There are not any trees in this garden.
 How many days are there in a year?
 Are there many factories in this town?  Yes, there are.
 There are some tall trees in the park.
 There aren't any girls in this class.
