1) There isn't a little girl in the room. Is there a little girl in the room?
2) There wasn't a telex on the table. Was there a telex on the table?
3) There aren't students there. Are there students there?
4) There weren't forks on the table. Were there forks on the table?
5) There aren't telexes on the desk. Are there telexes on the desk?
6) There weren't women in the room. Were there women in the room?
7) There aren't fifty children at the nursery-school. Are there fifty children at the nursery-school?