The perfect tense is made of the verb haber and a past participle. Some verbs have irregular past participles. Irregular past participles include: dicho (said), hecho (done) and visto (seen).

Watch out! Some past participles are irregular. For example, He hecho mis deberes - I have done my homework. As you go around telling people what you’ve done, remember to keep the following rule ...

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 ... verb tenses, but the most common one you will use ...