Usages of deber
Debo asegurar la puerta antes de dormir para sentirme tranquilo.
I must secure the door before sleeping to feel calm.
Debemos valorar los pequeños momentos en familia.
We must value the small moments with family.
El contrato debe ser justo para todos.
The contract must be fair for everyone.
Debes fijarte en los detalles cuando leas un texto en español.
You must pay attention to the details when you read a text in Spanish.
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