1)Is there a blackboard in our classroom?
There is not a blackboard in our classroom.
2)Are there any English books on the table?
There are not any English books on the table
3)Were there many mistakes in your dictation ?
They were not very many mistakes in your dictation .
4)Is there a new grammar rule in lesson four?
There isn’t a new grammar rule in lesson four
5)That wasn’t a telegram on the table
Was there a telegram on the table?
6)Was there too little ink in your pen to write two letters?
There wasn’t ink in my pen to write two letters.