Verbs that add a g
| caer | hacer | poner | salir |
| (to fall) | (to do, make) | (to put) | (to leave) |
| caigo | hago | pongo | salgo |
| caes | haces | pones | sales |
| cae | hace | pone | sale |
| caemos | hacemos | ponemos | salimos |
| caéis | hacéis | ponéis | salís |
| caen | hacen | ponen | salen |
Other common verbs in the g group:
atraer (to attract)
atraigo (I attract)
detener (to detain)
detengo (I detain)
convenir (to agree)
convengo (I agree)
decir (to say, tell)
digo (I say)
oír (to hear)
oigo (I hear)
tener (to have)
tengo (I have)
traer (to bring)
traigo (I bring)
valer (to be worth)
valgo (I am worth)
venir (to come)
vengo (I come)
Verbs that add a zc
| conducir | conocer | parecer | producir |
| (to drive) | (to know) | (to seem) | (to produce) |
| conduzco | conozco | parezco | produzco |
| conduces | conoces | pareces | produces |
| conduce | conoce | parece | produce |
| conducimos | conocemos | paracemos | producimos |
| conducís | conocéis | paracéis | producís |
| conducen | conocen | paracen | producen |
Other common verbs in the zc group:
agradecer (to thank)
agradezco (I thank)
aparecer (to appear)
aparezco (I appear)
crecer (to grow)
crezco (I grow)
nacer (to be born)
nazco (I am born)
reconocer (to recognise)
reconozco (I recognise)
reducir (to reduce)
reduzco (I reduce)
Verbs that their letter (g->j or c->z)
| coger | escoger | exigir | vencer |
| (to take) | (to choose) | (to demand) | (to defeat) |
| cojo | ecojo | exijo | venzo |
| coges | escoges | exiges | vences |
| coge | escoge | exige | vence |
| cogemos | escogemos | exigimos | vencemos |
| cogéis | escogéis | exigís | vencéis |
| cogen | escogen | exigen | vencen |
Other common verbs the group that change their letter (g->j or c->z or drop a letter)
dirigir (to direct)
dirijo (I direct)
esparcir (to scatter)
esparzo (I scatter)
fingir (to pretend)
finjo (I pretend)
proteger (to protect)
protejo (I protect)
recoger (to collect, pick up)
recojo (I collect, pick up)
Verbs that change to oy (including those that change in other persons)
| dar | ir | estar | ser |
| (to give) | (to go) | (to be) | (to be) |
| doy | voy | estoy | soy |
| das | vas | estás | eres |
| da | va | está | es |
| damos | vamos | estamos | somos |
| dais | vais | estáis | sois |
| dan | van | están | son |
Verbs with other changes in first person
| caber | distinguir | saber | ver |
| (to fit) | (to distinguish) | (to know) | (to see) |
| quepo | distingo | sé | veo |
| cabes | distingues | sabes | ves |
| cabe | distingue | sabe | ve |
| cabemos | distinguimos | sabemos | vemos |
| cabéis | distinguís | sabéis | veis |
| caben | distinguen | saben | ven |
Verbs that add y in various parts
| construir | destruir | huir | oir |
| (to construct) | (to destroy) | (to flee) | (to hear) |
| construyo | destruyo | huyo | oigo |
| construyes | destruyes | huyes | oyes |
| construye | destruye | huye | oye |
| construimos | destruimos | huimos | oímos |
| construís | destruís | huís | oís |
| construyen | detruyen | huyen | oyen |
