[has/have + past participle] Examples: You have seen that movie many times. Have you seen that movie many times? You have not seen that movie many times. Complete List of Present Perfect Forms USE 1 Unspecified Time Before Now We use the Present Perfect to say that an action happened at an unspecified time before now. I have seen that movie twenty times. How Do You Actually Use the Present Perfect? The concept of "unspecified time" can be very confusing to English learners. TOPIC 1 Experience You can use the Present Perfect to describe your experience. I have been to France. TOPIC 2 Change Over Time We often use the Present Perfect to talk about change that has happened over a period of time. You have grown since the last time I saw you. TOPIC 3 Accomplishments We often use the Present Perfect to list the accomplishments of individuals and humanity. Man has walked on the Moon. TOPIC 4 An Uncompleted Action You Are Expecting James has not finished his homework yet. I went to Mexico last year.
Related: Present and Past Perfect
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