25 Topic 2 Present Tense Irregular Verbs

Los verbos irregulares

Irregular Verbs in the Present Tense

An irregular verb, while in its infinitive form, might look like a regular verb, when conjugated into a person or tense, the presence of a “g” or a “y” when conjugated, but only in the first person singular.

• Other common irregular verbs with a “g” in the yo form:
  • hacer (to do, make)     yo hago, haces, hace, hacemos, hacen
  • poner (to put)               yo pongo, pones, pone, ponemos, ponen
  • traer (to bring)            yo traigo, traes, trae, traemos, trae
• Ser (to be) and Ir (to go) are irregular verbs not only on the yo form, but on all other forms as well;
  

  	Ser (to be)	Ir (to go)
  Yo	soy	voy
  Tú	eres	vas
  Ud./él/ella	es	va
  Nosotros	somos	vamos
  Uds./ellos/as	son	van

• Most verbs that end in a vowel + -cer, c changes to zc, in the yo form.
  • agradecer (to thank)     yo agradezco, agradeces, agradece, agradecemos, agradecen
  • conocer (to know)          yo conozco, conoces, conoce, conocemos, conocen
  • crecer (to grow)              yo crezco, creces, crece, crecemos, crecen
  • obedecer (to obey)         yo obedezco, obedeces, obedece, obedecemos, obedecen
  • ofrecer (to offer)            yo ofrezco, ofreces, ofrece, ofrecemos, ofrecen
  • paracer (to seem)         yo parezco, pareces, parece, parecemos, parecen
• Verbs that end in -ucir have the -zco in the yo form ending as well.
  • conducir (to drive)        yo conduzco, conduces, conduce, conducimos, conducen
  • producir (to produce)  yo produzco, produces, produce, producimos, producen
  • reducir (to reduce)       yo reduzco, reduces, reduce, reducimos, reducen
  • traducir (to translate) yo traduzco, traduces, traduce, traducimos, traducen