How to Say "you decide" in Spanish
The Spanish word for “you decide” is “decides” — A2 level. This is a very common word in everyday Spanish.

Examples
Si no te gusta el plan, tú decides si te quedas o te vas.
If you don't like the plan, you decide whether you stay or leave.
Siempre que salimos, tú decides a dónde ir, ¿por qué no hoy?
Whenever we go out, you decide where to go, why not today?
Si decides estudiar en casa, recuerda que debes concentrarte.
If you decide to study at home, remember that you must concentrate.
The '-es' Ending Signal
The ending '-es' is the standard way to show that the action is being done by 'tú' (you, informal) in the present tense for all verbs ending in '-er' and '-ir'.
Regular Verb Pattern
The verb 'decidir' is a regular '-ir' verb. This means it follows the easiest conjugation rules without any unexpected vowel changes or stem changes, making it simple to use in all tenses.
Forgetting the 'S'
Mistake: “Saying 'Tú decide' instead of 'Tú decides'.”
Correction: The '-s' at the end is necessary for the informal 'tú' subject. If you drop the 's,' you are actually using the 'él/ella/usted' (he/she/formal you) form.
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