1.Unless you are careful,you will cut yourself with that knife.
2.Unless you like this one,I'll bring you another.
3.Unless I have a quite room,I'll not be able to do any work.
4.Unless she hurries,she'll be late.
5.Unless we had no more rain,our crops would be better.
6.Unless the flood hadn't risen higher,the crops would have been ruined.
7.Unless you had sneezed,he wouldn't have known that we were there.
8.Unless she didn't do her differently,she would look quite nice.
9.Unless John hadn't played for our football team,we would not have lost the game.
10.Unless I didn't win a big prize in a lottery,I'd give up my job.