If you do not like this one, I'll bring you another.

Unless............you like this one, I will bring you another..................................................

2. If she does not hurry, she'll be late.

Unless.............she hurries, she will be late........................................

3. If you are not careful, you'll cut yourself.

Unless...........you are careful, you will cut yourself...............................................

4. If you had not sneezed, he wouldn't have known that we were there.

Unless........you had sneezed, he wouldn't have known we were there

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