In this lesson you will learn how to conjugate Spanish verbs with irregular yo form in the present tense. These verbs may be regular or stem-changing verbs, but they only have an irregular conjugation in the present tense for the “yo” form or first person form.
The following lists show some of the most common verbs with the irregular conjugation in yo form categorized in different subgroups. Stem changing verbs are marked with an asterisk.
Verbs with “go” endings
decir (to say)- digo*
poner (to put)- pongo
salir (to leave)- salgo
tener (to own/to have)- tengo*
valer (to cost)- valgo
venir (to come)- vengo*
aer – aigo
atraer (to attract) – atraigo
caer (to fall) -caigo
extraer (to subtract) – extraigo
traer (to bring) – traigo
cer/cir after a vowel – zco
agradecer (to be grateful for) -agradezco
crecer (to grow)- crezco
desaparecer (to disappear) – desaparezco
obedecer (to obey)- obedezco
ofrecer (to offer)- ofrezco
parecer (to look like)- parezco
producir (to produce) – produzco
traducir (to translate) – traduzco
cer/cir after a consonant – zo
convencer (to convince)- convenzo
ejercer (to exert) – ejerzo
esparcir (to scatter) – esparzo
vencer (to defeat) – venzo
ger/gir – jo
corregir (to correct) – corrijo
dirigir (to conduct) – dirijo
elegir (to chose) – elijo*
exigir (to demand) – exijo
fingir (to pretend) – finjo
proteger (to protect) – protejo
recoger (to pick up) – recojo
sumergir (to submerge) – sumerjo
guir – go
conseguir (to get) – consigo*
distinguir (to distinguish) – distingo
perseguir (to follow) – persigo*
seguir (to follow)- sigo*
quir – co
delinquir (to comit a crime) – delinco
relinquir (to relinquish) – relinco
Unique forms
caber (to fit) – quepo
dar (to give)- doy
hacer (to do)- hago
saber (to know)- se
satisfacer (to satisfy)- satisfago
ver (to see)- veo
Be aware that this is not a comprehensive list. Other verbs that share the same stem are not included here, such as bendecir (to bless), maldecir (to curse) which deviate from the verb decir.
If you wish to continue studying this topic of conjugating Spanish verbs especially verbs with the irregular “yo” form in the present tense, I recommend that you purchase a good verb conjugation book such as 501 Spanish Verbs or the Big Red Book of Spanish verbs. You can find either book at an online or offline book store. I also recommend that you get a copy of the Verbarrator software which covers over 500 Spanish verbs in every tense. But one of the most important things to know is that learning how to conjugate Spanish verbs takes is not easy but with practice and commitment anyone can learn.