1) He doesn't go to work every morning.
Does he go to work every morning?
2) My sister doesn't work here.
Does my sister work here?
3) I don't come from Ukraine.
Do I come from Ukraine?/
4) He isn't a teacher.
Is he a teacher?
5) They aren't my friends.
Are they my friends?
6) She isn't a singer.
Is she a singer?