How to Say "they shall" in Spanish
The Spanish word for “they shall” is “deberán” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
verbB1
legal or official requirements

Examples
Los alumnos deberán traer sus libros mañana.
The students will have to bring their books tomorrow.
Ustedes deberán registrarse al llegar al hotel.
You all must register upon arriving at the hotel.
Talking about Others in the Future
This word is the 'future' form of 'deber' when you are talking about a group of people (they) or addressing a group (you all). It tells them what they will be required to do later.
Don't forget the accent
Mistake: “deberan”
Correction: deberán (The accent on the 'á' is vital because it tells you to stress the end of the word; without it, the word is pronounced incorrectly.)
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