Условие задания:

3 Б.
Turn the given sentences into negative sentences. (Преврати заданные предложения в отрицательные предложения.)
  
Use there isn't/aren't/wasn't/weren't. (Используй there isn't/aren't/wasn't/weren't.)
 
Example
Are there many houses in the street?
 
Answer
There aren't many houses in the street.
 
1. There is a theatre in the town.
 
.
 
2. There were ten children in the park.
 
.
 
3. Were there pencils on the desk?
 
.