| A | B |
| decir (affirmative command form) | di |
| hacer (affirmative command form) | haz |
| ir (affirmative command form) | ve |
| poner (affirmative command form) | pon |
| salir (affirmative command form) | sal |
| ser (affirmative command form) | sé |
| tenir (affirmative command form) | ten |
| venir (affirmative command form) | ven |
| hablar (affirmative command form) | habla |
| comer (affirmative command form) | come |
| vivir (affirmative command form) | vive |
| cerrar (affirmative command form) | cierra |
| abrir (affirmative command form) | abre |
| hablar (negative command form) | no hables |
| comer (negative command form) | no comas |
| vivir (negative command form) | no vivas |
| cerrar (negative command form) | no cierres |
| abrir (negative command form) | no abras |
| decir (negative command form) | no digas |
| hacer (negative command form) | no hagas |
| ir (negative command form) | no vayas |
| poner (past participle form) | no pongas |
| salir (negative command form) | no salgas |
| venir (negative command form) | no vengas |
| ser (negative command form) | no seas |
| tener (negative command form) | no tengas |
| perfect infinitive | haber + past participle of the verb (haber hablado, haber comido, haber vivido--I have spoken, eaten, lived) |
| Present participle | formed with -ando and -iendo |
| hablar (Present participle) | hablando |
| comer (Present participle) | comiendo |
| dormir (Present participle) | durmiendo |
| concluir (Present participle) | concluyendo |
| caer (Present participle) | cayendo |
| leer (Present participle) | leyendo |
| oír (Present participle) | oyendo |
| decir (Present participle) | diciendo |
| ir (Present participle) | yendo |
| poder (Present participle) | pudiendo |
| venir (Present participle) | viniendo |
| Abrir (past participle) | abierto |
| hablar (past participle) | hablado |
| comer (past participle) | comido |
| vivir (past participle) | vivido |
| cubrir (past participle) | cubierto |
| decir (past participle) | dicho |
| escribir (past participle) | escrito |
| hacer ((past participle) | hecho |
| morir (past participle) | muerto |
| poner (past participle) | puesto |
| resolver (past participle) | resuelto |
| romper (past participle) | roto |
| volver (past participle) | vuelto |