Ответ:
there is nothing on the table
there are 3 books on the table
there are 3 historical books on...
there is a blackboard in my class
there is only one teacher's table in my class
there are many chairs in the room
there are about 30 chairs in this room
there is a big window in my class
there were only 3 mistakes in my last dictation
there were few children in the theatre yesterday
there wasn't an institute in my home town...
there are 3 institutes in my home town
there are many theatres in Moscow
There are about 20 cinemas in the centre of Moscow
there are (количество стр. книги) pages in this book