A participle is a verb form that can be used as an adjective, to form verb tense, or to form a passive sentence. Here are some examples with the participle "polished," which comes from the verb "to polish": I like the polished surface. (Here, the participle is used as an adjective.) She has polished the car. We use have/has been when someone has gone to a place and returned: A: Where have you been? B: I've just been out to the supermarket. A: Have you ever been to San Francisco? B: No, but I've been to Los Angeles. But when someone has not returned, we use have/has gone: A: Where's Maria? I haven't seen her for weeks. B: She's gone to Paris for a week. Here are the different usages of this tense: An action that started in the past, and continued up until the present. To show something was happening lately; Make sure you also read: Examples of Typical Time Expressions An action that started in the past, and continued up until the present (The verbs are in bold) She has been reading for the Examples of the verb to be in sentences To be: present tense She is a natural-born leader. I am freezing in this outfit. To be: past tense We were in danger without even knowing it. It was the best night of the trip. To be: present perfect tense You have been quiet tonight. Umar has been our team captain for two years. To be: past perfect tense .

present perfect tense time expressions examples