If the cashier doesn't work a little faster, he'll have problems with his supervisor.
Unless ...... .

If our manager doesn't put the plan into practice, we'll go over his head then.
Unless ...... .

If the phone doesn't start working again, I'll try and use another one.
Unless ...... .

If you don't come along now, we'll leave without you.
Unless ...... .

If you and I don't go out some time this week, I'll go crazy.
Unless ...... .

If the oven doesn't explode, the owner will throw it away next month.
Unless ...... .

Liza's brother won't pay a visit to his grandfather if he doesn't get paid for it in advance.
...... .

The exterminator might not catch all the mice if he doesn't set up all the traps properly.
...... .

The athletes won't win any gold medals this year if they don't give their best.
...... .

Our king might not live a happy life anymore if he doesn't get a lot of money from the state.
...... .

The electrician won't repair the circuit if he doesn't have his glasses on him.
...... .

The substitute teacher won't get the job done if he doesn't keep his pupils on a tight leash.
...... .