Irregular verbs don’t follow the usual pattern in the present tense. Some irregular present tense verbs only change in the ‘I’ form. Some of the most common verbs in Spanish are irregular verbs.

Next, if a verb has the vowel I in its syllable just before MASU, there are two patterns for this conjugation ... There are two irregular verbs that don’t fit the above patterns.

A regular verb is one that conforms to the rules of grammar, whereas an irregular verb is one that does not. Keep in mind that each sentence you write will need to have agreement between its subject ...