LINKS TO CONJUGATION RULES:
 
 
Regular Verbs
Irregular Verbs
Stem-changing Verbs
Present
Here
Here
Here
Imperfect
Here
Here
Here
Preterit
 Here 
Here
Here
Future
Here
Here
Here
Conditional
Here
Here
Here
Present Subjunctive
Here
Here
Here
Imperfect Subjunctive
Here
Here
Here
Present Participle
Here
Here
Here
Past Participle
Here
Here
Here
 
Also conjugation of ...
Regular Verbs -- Hablar (ar) Comer (er) Vivir (ir);
Stem-Changing Verbs -- Sentir (ie,i) Dormir (ue,u) Pedir (i,i);
and
Andar Caer Conocer (zc) Construir (y) Dar Decir Estar Haber
Hacer Ir Oír Pensar (ie) Producir (zc) Poder Poner Querer Reír (i,i)
Saber Salir Seguir (i,i)(g) Ser Tener Traer Venir Ver Volver (ue)