El tiempo presente

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Irregular YO Verbs

As the title implies, these particular verbs have irregular forms in the 1st person singular (or ¨yo¨ form) that have to be memorized, as there is no definite pattern for recognizing them.  However, their conjugations in the other forms do follow regular conjugation rules.  

There are 3 categories of Irregular YO verbs.  

1. Verbs that end in -go
2. Verbs that end in -oy
3. Verbs that are miscellaneous.  

Your common verbs that end in -go are:

hacer -->  hago           poner -->  pongo            *decir -->  digo
*tener -->  tengo          *venir -->  vengo

(*These particular verbs are also stem-changers in the boot).

Your common verbs that end in -oy are:

estar --> estoy          ser --> soy        ir --> voy      dar --> doy

Then there are those few verbs that do not follow any specific pattern. 

conducir --> conduzco         conocer --> conozco        saber --> sé
ver --> veo
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