Lesson 4: Present Perfect Tense, section A, states: "The verb 'have/has' is used as an auxiliary verb after the subject and then the past participle form of the main verb is given. The verb form, then, is: have/has+ past participle form of the verb."
Class 6 › English Grammar and Composition › Chapter 2: The Tenses › Topic: The Present Tense
Aligned to the NCTB national curriculum.