Present perfect vs Past tense

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Present perfect vs Past tense

  1. 1. Present Perfectand Past Simple
  2. 2. Can you guess the differencein meaning between these twosentences?I have lived in Boston for two years.I lived in Boston for two years.I still live in Boston.I don’t live in Boston anymore.
  3. 3. Past SimplePast SimpleI lived in Boston fortwo years.• Actions that arefinished• Time reference isfinished.Present PerfectPresent PerfectI have lived in Bostonfor two years.• Actions that started inthe past and continue tothe present.• Even if a past-timeadverbial isn’t explicit,the situation in thepast may be definedby the context orsimply implied e.g.Einstein was a genius.(His life is over)• Actions complete at anunspecified time whenthe general timereference is still valide.g. Steven Spielberg hasdirected some greatfilms. (His life isn’t over)
  4. 4. Present Perfect TenseMade up of“ have /has” + past participle formof verb“has/have”+ eaten √“has/have”+ ate/eat/eating×
  5. 5. Present Perfect with “for”Present Perfect with “for”• She has lived there for twenty years.• I’ve had this car for five months.• We haven’t seen Mark for ages.It is used to express…THE LENGTH OF AN ACTIONNOTE: We can also use “for” with the pastsimple e.g. I lived in Boston for two years.
  6. 6. Present Perfect with “since”Present Perfect with “since”• She has worked there since September.• I’ve been ill since January 28th.• We haven’t eaten out since Monday.It is used to express…THE MOMENT IN WHICH ANACTION STARTED
  7. 7. Present Perfect with “just”Present Perfect with “just”• I’ve just made tea. Would you like a cup?• Martha isn’t here. She’s just left.• My sister-in-law has just had a baby. She’s stillin hospital.It is used to refer to…SOMETHING THAT HAPPENED INTHE (VERY) RECENT PAST OR ASHORT TIME AGONOTE: Be careful with the position of “just”
  8. 8. Present Perfect with “already”Present Perfect with “already”A: Remember to send the letter.  B: I have already sent it.A: Don’t forget to wash your hair.B: I have already washed it.It is used to express…SOMETHING HAS HAPPENEDBEFORE NOW OR BEFOREANOTHER POINT IN TIMENOTE: Be careful with the position of “already”
  9. 9. Present Perfect with “yet”Present Perfect with “yet”• I havent seen that movie yet, but I am going tosoon.• I’ve crashed my parents’ car but I havent toldthem anything yet. It is used to express…SOMETHING THAT HASN’THAPPENED BUT WE THINK ISGOING TO HAPPENED
  10. 10. ““yet” vs. “still”yet” vs. “still”We can use “yet” and “still” with other verb tenses. Let’s have alook at the difference between these 2 time markers.• It’s 11 am and Tom is stillin bed.• I’m hungry. Is dinnerready yet?• Have you given upsmoking? No, I still smoke.• It’s 11am and Tomhasn’t got up yet.• Are you still living in thesame house, or have youmoved?• Where are you goingon holidays? We don’tknow yet.YET STILL1. To express or ask about a situation or action thatcontinues.2. To ask whether something has happened.3. To say something hasn’t happened.
  11. 11. ““yet” vs. “still”yet” vs. “still”We can use “yet” and “still” with other verb tenses. Let’s have alook at the difference between these 2 time markers.• It’s 11 am and Tom is stillin bed.• I’m hungry. Is dinnerready yet?• Have you given upsmoking? No, I still smoke.• It’s 11am and Tomhasn’t got up yet.• Are you still living in thesame house, or have youmoved?• Where are you goingon holidays? We don’tknow yet.YET STILL1. To express or ask about a situation or action thatcontinues.X2. To ask whether something has happened. X3. To say something hasn’t happened. X
  12. 12. ““yet” vs. “still”: word orderyet” vs. “still”: word order• It’s 11 am and Tom is stillin bed.• I’m hungry. Is dinnerready yet?• Have you given upsmoking? No, I still smoke.• It’s 11am and Tomhasn’t got up yet.• Are you still living in thesame house, or have youmoved?• Where are you goingon holidays? We don’tknow yet.YET STILL1. With “to be”: after “to be”With other verbs: before the main verb2. At the end of the sentence
  13. 13. ““yet” vs. “still”: word orderyet” vs. “still”: word order• It’s 11 am and Tom is stillin bed.• I’m hungry. Is dinnerready yet?• Have you given upsmoking? No, I still smoke.• It’s 11am and Tomhasn’t got up yet.• Are you still living in thesame house, or have youmoved?• Where are you goingon holidays? We don’tknow yet.YET STILL1. With “to be”: after “to be”With other verbs: before the main verbX2. At the end of the sentence X
  14. 14. Make Sentences Based on ThesePictures
  15. 15. ACTIVITYPretend that you are a detective investigating acrime that just took place.You are to come up with a crime scene reportusing 15 Present Perfect Tenses in your report.e.g.1. When we arrived at the scene of the crime, itseemed that the suspect has just left the building.

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