Forming the present perfect
The present perfect of any verb is composed of two elements: the appropriate form of the auxiliary verb to have (present tense), plus the past participle of the main verb. The past participle of a regular verb is base+ed, e.g. played, arrived, looked. For irregular verbs, please study the following list:
List of Irregulars Verbs 1
List of Irregulars Verbs 2
Listen and enjoy this song where present perfect is used