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Verbs-Irregular Yo
A list of verbs with irrregular yo forms and their subjunctive
| Verb | Change pattern | Yo Forms (indic.-subjunct. |
|---|---|---|
| almorzar (to eat lunch) | o → ue stem change almorzar | almuerzo → almuerce |
| caer (to fall) | irregular yo (-go) caer | caigo → caiga |
| cerrar (to close) | e → ie stem change cerrar | cierro → cierre |
| comenzar (to begin) | e → ie stem change comenzar | comienzo → comience |
| conseguir (to obtain) | e → i stem change conseguir | consigo → consiga |
| conducir (to drive) | irregular yo (zc) conducir | conduzco → conduzca |
| conocer (to know, to be acquainted with) | irregular yo (zc) conocer | conozco → conozca |
| contar (to count, to tell) | o → ue stem change | cuento → cuente |
| convertir | e → ie stem change convertir | convierto → convierta |
| costar (to cost) | o → ue stem change costar | cuesto → cueste |
| crecer (to grow) | irregular yo (zc) crecer | crezco → crezca |
| dar (to give) | fully irregular dar | doy → dé |
| decir (to say, to tell) | irregular yo (-go) decir | digo → diga |
| defender (to defend) | e → ie stem change defender | defiendo → defienda |
| despertarse (to wake up) | e → ie stem change despertarse | me despierto → me despierte |
| divertirse (to have fun) | e → ie stem change divertirse | me divierto → me divierta |
| dormir (to sleep) | o → ue stem change dormir | duermo → duerma |
| empezar (to begin) | e → ie stem change empezar | empiezo → empiece |
| encontrar (to find) | o → ue stem change encontrar | encuentro → encuentre |
| entender (to understand) (end of group 1) | e → ie stem change entender | entiendo → entienda |
| estar (to be) | fully irregular | estoy → esté |
| hacer (to do, to make) | irregular yo (-go) | hago → haga |
| ir (to go) | fully irregular | voy → vaya |
| medir (to measure) | e → i stem change | mido → mida |
| mentir (to lie) | e → ie stem change | miento → mienta |
| morir (to die) | o → ue stem change | muero → muera |
| mostrar (to show) | o → ue stem change | muestro → muestre |
| mover (to move) | o → ue stem change | muevo → mueva |
| obedecer (to obey) | irregular yo (zc) | obedezco → obedezca |
| oír (to hear) | irregular yo (-go) | oigo → oiga |
| ofrecer (to offer) | irregular yo (zc) | ofrezco → ofrezca |
| parecer (to seem) | irregular yo (zc) | parezco → parezca |
| pedir (to request) | e → i stem change | pido → pida |
| pensar (to think) | e → ie stem change | pienso → piense |
| perder (to lose) | e → ie stem change | pierdo → pierda |
| perseguir (to pursue) | e → i stem change | persigo → persiga |
| poder (to be able) | o → ue stem change | puedo → pueda |
| poner (to put) | irregular yo (-go) | pongo → ponga |
| preferir (to prefer) | e → ie stem change | prefiero → prefiera |
| querer (to want) (end of group 2) | e → ie stem change | quiero → quiera |
| reír (to laugh) | e → i stem change | río → ría |
| recomendar (to recommend) | e → ie stem change | recomiendo → recomiende |
| recordar (to remember) | o → ue stem change | recuerdo → recuerde |
| repetir (to repeat) | e → i stem change | repito → repita |
| resolver (to resolve) | o → ue stem change | resuelvo → resuelva |
| saber (to know) | fully irregular | sé → sepa |
| salir (to leave) | irregular yo (-go) | salgo → salga |
| seguir (to follow) | e → i stem change | sigo → siga |
| sentir (to feel) | e → ie stem change | siento → sienta |
| ser (to be) | fully irregular | soy → sea |
| servir (to serve) | e → i stem change | sirvo → sirva |
| sonreír (to smile) | e → i stem change | sonrío → sonría |
| tener (to have) | irregular yo (-go) | tengo → tenga |
| traducir (to translate) | irregular yo (zc) | traduzco → traduzca |
| traer (to bring) | irregular yo (-go) | traigo → traiga |
| valer (to be worth) | irregular yo (-go) | valgo → valga |
| venir (to come) | irregular yo (-go) | vengo → venga |
| ver (to see) | fully irregular | veo → vea |
| vestir (to dress) | e → i stem change vestir | visto → vista |
| volver (to return) | o → ue stem change | vuelvo → vuelva |