Present perfect
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present perfect and simple past

present perfect and simple past

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    Present perfect Present perfect Presentation Transcript

    • PRESENT PERFECT PAST SIMPLE
    • Use
      • We only know that the action happened at some time before now
      • We use this tense to talk about past events and activities with results /consequences in the present
    • AFFIRMATIVE sentences
      • I/you/ we/they HAVE LOST the key
      • He/she/it HAS LOST the key
      • Here we are not thinking about the past action. We are thinking of the present result of the action. I don't have the key now
    • Negative sentences
      • I/you/ we/they HAVEN’T LOST the key
      • He/she/it HASN’T LOST the key
    • SHORT QUESTIONS
      • HAVE I/you/we/they LOST the key?
      • Yes, I/you/we / they HAVE
      • No, I /you/ we they HAVEN’T
      • HAS he/she/it LOST the key?
      • Yes, he/she/ it HAS
      • No, he/she/it HASN´T
      • What has he done?
      • He has lost the key
    • Time adverbials
      • We use NEVER and YET in NEGATIVE sentences
      • We use ALREADY in AFFIRMATIVE sentences
      • We use YET and EVER in QUESTIONS
    • REMEMBER
      • YET: at the end (- / ?)
      • ALREADY (+) /EVER (?) /NEVER (-) before the main verb
      • FOR AND SINCE
    • For
      • FOR + period of time.
      • Example: 1- for ages
      • 2- for a long time
      • 3- for two years
      • 4- for the last week
    • Since
      • SINCE + point in time
      • Example: 1- since June
      • 2- since I was a child
      • 3- since Monday
      • 4- since last week
    • Simple past
      • We know exactly when the thing happened
      • We use this tense to talk about an action which started and finished in the past
    • Affirmative and Negative Sentences
      • I LOST the key yesterday (+)
      • I PLAYED football yesterday
      • I DIDN´T LOSE the key yesterday (-)
    • QUESTIONS
      • DID YOU LOSE the key yesterday?
      • Yes, I DID
      • No, I DIDN’T. I LOST my pencil case
      • WHAT DID you do yesterday ?
      • I lost my key
    • TIME REFERENCE
      • YESTERDAY (morning, afternoon, evening)
      • LAST night/ month
      • Two hours AGO
      • FROM (1995) TO (1998)