Perfect Tense ChallengeVersión en línea Test your knowledge of the Present Perfect tense with fun quizzes and engaging activities! por Iryna 1 Forming the Present Perfect 2 Uses of the Present Perfect 3 Time Expressions 4 Examples of Present Perfect has/have + past participle subject + has/have + past participle negative form: has/have not + past participle question form: has/have + subject + past participle? to describe experiences to indicate a change over time to describe accomplishments to talk about uncompleted actions ever never just already yet for since I have visited Paris. She has just finished her homework. They have never seen a whale. We have lived here for five years.