In the event that none of the verbs ends like that, it would be necessary to see if the sentence could be used in the past and present without changing. in that case check that the verb ends in "aba, abas, abais, ábamos, aban, ía, ías, íamos, íais, ían" Example: El bebé bebía leche Ana cruzaba la calle In addition, there are only three irregular verbs that are "ser, ir, ver".