1. First Conjugation: Verbs ending in -ar (e.g., hablar, cantar, amar).
2. Second Conjugation: Verbs ending in -er (e.g., comer, beber, leer).
3. Third Conjugation: Verbs ending in -ir (e.g., vivir, escribir, dormir).
It's important to note that there are exceptions to this rule and some verbs are irregular. However, these three conjugations provide a solid starting point for understanding verb conjugation in Spanish.