Verbos irregulares en 1a persona (presente)

Irregular Spanish verbs in the 'yo' form in the present tense

There are some Spanish verbs that are irregular just in the yo form of the present tense, and totally regular on the rest of the forms. This is the case of verbs saber and dar for example.

However, other verbs have the irregular yo form plus another extra irregularity. For example: ser and ir.

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