|simple present of HAVE + PAST PARTICIPLE||I have invited him to my party.
You have lived here since 2012.
She has spoken French all her life.
We have met them today.
past participle of regular verbs
past participle = infinitive + ED
special: drop the end -E of the infinitive
invite -> invited
past participle of irregular verbs
Irregular means that they don't follow rules.