Irregular verbs in the present tense

    VERBS WITH IRREGULAR FIRST-PERSON SINGULAR ONLY     Some irregular verbs only change the first-person singular only; all other forms in the present are regular. The most commonly used are:   Infinitivo   Conjugated 1st form Infinitive   Conjugate 1st form Caber To fit quepo Saber To know Sé Caer To fall Caigo […]

VERBS WITH IRREGULAR FIRS T-PERSON SINGULAR ONLY

Some irregular verbs only change the first-person singular only; all other forms in the present are regular. The most commonly used are:

Infinitivo		Conjugated 1st form	Infinitive		Conjugate 1st form
Caber	To fit	quepo	Saber	To know	Sé
Caer	To fall	Caigo	Salir	To leave	Salgo
Dar	To give	Doy	Traer	To bring	Traigo
Estar	To be	Estoy	Valer	To cost	Valgo
Hacer	To do	Hago	Ver	To see	Veo

OTHER VERBS WITH IRREGULAR FORMS IN THE FIRST PERSON

Conozco muy bien a Margo – I know Margo very well

Infinitivo		Conjugated 1st form	Infinitive		Conjugate 1st form
Agradecer	To thank	Agradezco	Aparecer	To appear	Aparezco
Complacer	To please	Complazco	Crecer	To grow	Crezco
Ofrecer	To offer	Ofrezco	Traducir	To translate	Traduzco
Conducir	To drive	Conduzco	Producir	To produce	Produzco
Permanecer	To remain	Permanezco	Pertenercer	To belong	pertenezco

VERBS WITH SPELLING CHANGES IN THE PRESENT TENSE

In the present tense certain verbs have spelling changes. These are determined by rules of pronunciation. The following groups of verbs have spelling changes before the verb ending –o in the yo form only.

Verbs ending in –ger or –gir change g to j before the –o ending

Coger (to catch, grab)		Exigir (to demand)
Cojo	Cogemos	Exijo	Exigimos
Coges	Cogéis	Exiges	Exigís
coge	cogen	exige	exigen

Verbs ending in –guir change gu to g before the –o ending

Distinguir (to distinguish)
Distingo	Distinguimos
Distingues	Distinguís
Distingue	distinguen

Verbs ending in –cer and -cir change c to z before the –o ending

convencer (to convince)
Convenzo	Convencemos
Convences	Convencéis
Convence	Convencen

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— Monica Bernabe Perez