tú la verdad. (decir)

Decir
Di
De
Diciendo

Di tu la verdad.

Explanation:

Di

Explanation:

__Di __tú la verdad✔️ si se pronuncia Bien pero ❌decir tú la verdad No!!❌ De tú la verdad ❌ diciendo tú la verdad ❌ pregunta correcta ✔️ Di Tú la verdad ✔️

corras is the only one that is informal but doesn't follow the suffix rule. correr is the verb. corre is the formal verb form. corra would be used as the formal is corre ended with an a.

your best bet would be corras, it's the only one that is informal but is still wrong