
The sixth chapter contains verbs that are irregular in the Participio Pasado.
This includes verbs that are irregular only in the Participio Pasado and which are regular in all other forms, as well as verbs whose Participio Pasado differs from the irregular building rule. As example here the verb "morir" shall be given, which is conjugated following the rules of ~o..ir, but whose Participio Pasado is different from that ("muerto", not "morido").
| Verb group | Participio Pasado | Building rule | |
| ~abrir | ~abierto | ~abrir | |
| ~cubir | ~cubierto | ~cubrir | |
| ~morir | ~muerto | ~o..ir | |
| ~primir | ~primido/preso | ~primir | |
| ~romper | ~roto | ER | |
| ~scribir | ~scrito | ~scribir | 
| Verb group | Participio Pasado | Building rule | |
| absorver | absorvido / absorto | ER | |
| atender | atendido / atento | ~e..er | |
| completar | completado / completo | AR | |
| concretar | concretado / concreto | AR | |
| confesar | confesado / confeso | ~e..ar | |
| contentar | contentado / contento | AR | |
| convertir | convertido / converso | ~e..ir (2) | |
| cultivar | cultivado / culto | AR | |
| desnudar | desnudado / desnudo | AR | |
| despertar | despertado / despierto | ~e..ar | |
| difundir | difundido / difuso | IR | |
| dispersar | dispersado / disperso | AR | |
| faltar | faltado / falto | AR | |
| fijar | fijado / fijo | AR | |
| hartar | hartado / harto | AR | |
| infectar | infectado / infecto | AR | |
| insertar | insertado / inserto | AR | |
| limpiar | limpiado / limpio | AR | |
| ocultar | ocultado / oculto | AR | |
| omitir | omitido / omiso | IR | |
| pervertir | pervertido / perverso | ~e..ir (2) | |
| poseer | poseído / poseso | ~eer | |
| prender | prendido / preso | ER | |
| presumir | presumido / presunto | IR | |
| propender | propendedido / propenso | ER | |
| proveer | proveído / provisto | ~eer | |
| pudrir | podrido | IR | |
| recluir | recluído / recluso | ~uir | |
| repletar | repletado / repleto | AR | |
| salvar | salvado / salvo | AR | |
| secar | secado / seco | ~car | |
| soltar | soltado / suelto | ~o..ar | |
| suspender | suspendido / suspenso | ER | |
| tender | tendido / tenso | ~e..er | |
| teñir | teñido / tinto | IR | 
also see:
        
Chapter 1: General Information
        
Chapter 2: The regular verbs
        
Chapter 3: Vocal-dependent, irregular verbs
        
Chapter 4: The irregular verb-endings
        
Chapter 5: The irregular verbs
        
Chapter 6: Verbs with irregular Participio Pasado
        
Chapter 7: Appendix