1.There isn't an English book on the desk.
Is there an English book on the desk?
Yes,there is.
Noe,there isn't.
2.There aren't any pupils in the class.
Are there any pupils in the class?
Yes,there are.
No,there aren't.
3.There isn't any watere in the glass.
Is there any water in the glass?
Yes,there is.
No,there isn't.
4.There isn't a puppy in the box.
Is there a puppy in the box?
Yes,there is.
No,there isn't.
5.There aren't any children in the park.
Are there any children in the park?
Yes,there are.
No,there aren't.
注：there be 句型的否定句在is/are后加not：is not= isn't,are not= aren't
一般疑问句和否定句要变some 为any