Examples:

• Guys, this doesn't work if he doesn't take the money.
• It's your backup plan in case this doesn't work out.
• Well, if this doesn't work, at least it smells nice.
• If this doesn't work out, you'll still have a chance.
• If this doesn't work, the spleen's all yours.
• But you know you go back if this doesn't work.
• If this doesn't work, he's gonna be hurt a lot worse.
• If this doesn't work, you may have a more extensive problem./li>