For example, He hecho mis deberes - I have done ... Practise what you've learned about irregular verbs in the perfect tense in Spanish with this quiz. Now you have learned about irregular verbs ...

For example, TABEMASU (to eat), becomes TABERU ... So, in IKIMASU (to go), you change KI to KU, and get IKU. There are two irregular verbs that don’t fit the above patterns.