Zero Conditional with Imperative: instructions and commands (B1)

If you smell gas, the windows and call the emergency services immediately.

If the sauce is too thick, a little water.

If you are not sure of the answer, guess — leave it blank.

If a fire alarm sounds, the building using the nearest emergency exit.

When you finish a chapter, a brief summary of the key points.

If the printer shows an error message, it off and on again.

If the bleeding does not stop after ten minutes, a doctor immediately.

If the ice looks thin, walk on it.

When you arrive at the hotel, your passport at reception.

If the mixture looks too dry, one more tablespoon of milk.

If you finish the exam early, your answers one more time.

If you feel dizzy after taking the medication, drive or operate machinery.

When you receive the confirmation email, a screenshot for your records.

If you are in doubt, always a professional for advice.

If there is a power cut, all electrical appliances off at the wall.