Present perfect

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Present perfect.

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Present perfect

  1. 2. The present perfect has 2 parts: + past participle But...what does “past participle” mean?
  2. 3. Past Participle <ul><li>What is a past participle? </li></ul><ul><li>For regular past tense verbs, the –ed form: liked, walked, worked, talked </li></ul><ul><li>For irregular past verbs, memorize: </li></ul><ul><li>been, seen, had, eaten, shown, written </li></ul>
  3. 4. 3 Main Uses of Present Perfect <ul><li>Use 1 </li></ul><ul><li>Something that started in the past and is still true now </li></ul><ul><li>Examples: </li></ul><ul><li>-I have worked at ECC since 2000. </li></ul><ul><li>-Susan has lived in New York for a long time. </li></ul><ul><li>-I have known my best friend since I was 14. </li></ul>
  4. 5. 3 Main Uses of Present Perfect <ul><li>Use 2 </li></ul><ul><li>Indefinite past action </li></ul><ul><li>(time unspecified, unstated, or unknown) </li></ul><ul><li>Examples: </li></ul><ul><li>-I have flown on a plane before. </li></ul><ul><li>-Jim has traveled to Paris. </li></ul>?
  5. 6. 3 Main Uses of Present Perfect <ul><li>Use 3 </li></ul><ul><li>Repeated past action </li></ul><ul><li>(the action could happen again) </li></ul><ul><li>Examples: </li></ul><ul><li>-Ana has gone to Balboa Park </li></ul><ul><li>many times. </li></ul><ul><li>-I’ve flown on a plane a lot. </li></ul>
  6. 7. Key words for present perfect <ul><li>Already = (adv.) before now </li></ul><ul><li>I have already finished my homework. </li></ul><ul><li>Not yet = (adv.) not before now </li></ul><ul><li>Scientists have not yet discovered a cure. </li></ul>
  7. 8. Key words for present perfect <ul><li>Never = (adv.) not at any time </li></ul><ul><li>in the past, including now </li></ul><ul><li>I have never seen </li></ul><ul><li>such a beautiful sunset! </li></ul><ul><li>Ever = (adv.) at any time, </li></ul><ul><li>including the present </li></ul><ul><li>** Used only in questions </li></ul><ul><li>Have you ever ridden a horse? </li></ul>
  8. 9. Reminder about Adverb Placement <ul><li>With 2 verbs (helping verb and main verb), place the adverb in the middle. </li></ul><ul><li>I have never eaten sushi. </li></ul>
  9. 10. Other expressions used with present perfect <ul><li>Several times, many times, a few times, a couple of times, a lot = for indefinite or repeated past actions </li></ul><ul><li>I have been to Las Vegas a lot . </li></ul>
  10. 11. Key words for present perfect <ul><li>Since and for </li></ul><ul><li>Since + specific point in the past when the action started </li></ul><ul><li>For + duration, length of time </li></ul>
  11. 12. Practice: since or for? <ul><li>_______ January </li></ul><ul><li>_______ 10 years </li></ul><ul><li>_______ Monday </li></ul><ul><li>_______ 12 noon </li></ul><ul><li>_______ I got up </li></ul><ul><li>_______ 5 minutes </li></ul><ul><li>_______ 5 minutes ago </li></ul><ul><li>_______ four days </li></ul>_______ 6:00 _______ Wednesday _______ a month _______ two days ago _______ August 1st _______ 2004 _______ an hour _______ I was young
  12. 13. <ul><li>Good Luck! </li></ul><ul><li>And remember . . . </li></ul><ul><li>“ Practice makes Perfect!” </li></ul>

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