Irregular Spanish Verbs - add an 'a' or an 'o'  

the 'u' disappears if the verb conjugation adds an 'a' or an 'o'

distinguir - to distinguish
extinguir - to put out, to extinguish
delinquir - to commit a crime

Free charts with Spanish conjugations

Popular Phrase: tirar conjugation | Spanish Crossword Puzzle | Conjugated Verb: insistir - to insist [ click for full conjugation ]