Usages of before
You look at the menu before ordering.
Tú miras el menú antes de pedir.
You must wash your hands before eating.
Debes lavarte las manos antes de comer.
I must study before the exam.
Yo debo estudiar antes del examen.
I always pay the bill before I eat.
Siempre pago la cuenta antes de comer.
I find my keys before I leave the house.
Encuentro mis llaves antes de salir de la casa.
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