1.
(-) The book isn't on the table.
(?) Is the book on the table?
2.
(-) The children don't study english well.
(?) Do the children study english well?
3.
(-) The telephone isn't on the table.
(?) Is the telephone on the table?
4.
(-) They aren't my classmates.
(?) Are they your classmates?
5.
(-) The girl doesn't enjoy her work much.
(?) Does the girl enjoy her work?
6.
(-) He isn't in the living room.
(?) Is he in the living room?
7.
(-) My father doesn't work for a good company.
(?) Does your farther work for a good company?
8.
(-) They aren't fond of watching TV.
(?) Are they fond of watching TV?