Present perfect - Wikipedia
https://en.wikipedia.org/wiki/Present_perfectThe present perfect is a grammatical combination of the present tense and perfect aspect that is used to express a past event that has present consequences. The term is used particularly in the context of English grammar to refer to forms like "I have finished". The forms are present because they use the present tense of the auxiliary verb have, and perfect because they use that auxil…
Present Perfect Tense | ENGLISH PAGE
www.englishpage.com › verbpage › presentperfectThe present perfect is a verb tense which is used to show that an action has taken place once or many times before now. The present perfect is most frequently used to talk about experiences or changes that have taken place, but there are other less common uses as well. Read on for detailed descriptions, examples, and present perfect exercises.
Present perfect | LearnEnglish
learnenglish.britishcouncil.org › present-perfectThe present perfect is formed from the present tense of the verb have and the past participle of a verb. We use the present perfect: for something that started in the past and continues in the present: They've been married for nearly fifty years. She has lived in Liverpool all her life. when we are talking about our experience up to the present: