This document provides an overview of the present perfect tense in English, including its three main uses: 1) something that started in the past and is still ongoing now, 2) indefinite past actions where the time is unspecified, and 3) repeated past actions. It discusses the form of the present perfect (subject + have/has + past participle), examples of irregular past participles, key time words used with the present perfect like "already" and "never", and the placement of adverbs. It also covers using "since" to indicate a specific point in the past and "for" to indicate a duration of time. Finally, it provides links to additional online practice with the present perfect tense.

1. Let´s exercise.....Present Perfect

2. Present PerfectExperiencesVerb Tense used to discuss experiences in the past and completed events and actions up to and including the present time

3. Three Main Uses of Present PerfectUse 1Something that started in the past and still true nowExamples:

4. Three Uses of Present PerfectUse 2Indefinite past action (time unspecified, unstated, or unknown)Examples:?

5. Three Uses of Present PerfectUse 3Repeated past actionExamples:

6. Form of Present PerfectSubject + have / has + past participleI WeYou TheyHe The peopleShe EveryoneIt

7. Past ParticiplesWhat is a past participle?For regular past tense verbs, the –ed form: liked, walked, worked, talkedFor irregular past verbs, memorize:been, seen, had, eaten, shown, written

8. Do you know the past participles?Click Here to Find Out.Click!Or here!Or here, too.

9. Key words for present perfectAlready = (adv.) before nowI have already finished my homework.Not yet = (adv.) not before nowScientists have not yet discovered a cure.

10. Key words for present perfectNever = (adv.) not at any time in the past, including nowI have never seen such a beautiful sunset!Ever = (adv.) at any time, including the present** Used only in questionsHave you ever ridden a horse?

11. Reminder about Adverb PlacementWith two verbs (auxiliary and main verb), place the adverb between themI havenevereaten raw fish.

12. Key words for present perfectBefore = at some time in the past behind the present timeI have been to Las Vegas before.Several times, many times, a few times, a couple of times, a lot of times = for indefinite or repeated past actions

13. Key words for present perfectSince and forSince + specific point in the past when the action startedFor + duration, length of time

14. Practice: since or for ?_______ 6:00_______ Wednesday_______ a month_______ two days ago_______ November 1_______ 2004_______ an hour_______ I was young_______ January_______ 10 years_______ Monday_______ 12 noon_______ I got up_______ 5 minutes_______ a long time ago_______ four days

15. Need more practice with since and for?Click Here!Or here!

16. Online PracticeSimple PracticeForming Questions in Present PerfectChange to Present PerfectMore PracticeStill More Practice

17. Any Questions about Present Perfect?