Present perfect
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Present perfect Present perfect Presentation Transcript

  • PRESENT PERFECTThe present perfect simple expresses an action that is still going on or that stopped recently, but has an influence on the present. It puts emphasis on the result
  • STRUCTURE
    The structure of the present perfect is:
    Subject + Auxiliary verb + Main verb + complement
    (have-has) (Past participle)
    Examples:
    • I have seen Titanic
    • She has gone to Europe
  • HAVE OR HAS?
    You use have or has according to the pronoun you are working with. For third person you have to use has.
  • FORM OF PRESENT PERFECT
  • WHEN DO WE USE THE PRESENT PERFECT?
  • CONTRACTIONS
  • TIME EXPRESSIONS FOR PRESENT PERFECT
    FOR - SINCE
    Used as prepositions in sentences in present perfect tense expressing that an action still goes on.
    FOR: A period of time
    E.g.: I have lived in Bogota for 10 years
    SINCE: The moment when the action started
    E.g.: have lived in Bogotá since 2001
  • Already means that something happened earlier than we expected. It usually goes after have or has and before the main verb.
    Eg : We've already had our breakfast
    Yet means that something that we expected has happened or hasn't happened. We usually put it at the end of a sentence. It is used in interrogative and negative sentences,
    Eg: Has the post arrived yet?
    She hasn’t do her homework yet
  • Exercise on Present Perfect Simple
    Put the verbs in brackets into the correct form (present perfect simple).
    I (not / work)today. : I havenotworkedtoday
    We (buy)a new lamp.
    We (not / plan)our holiday yet.
    Where (be / you)?
    He (write)fiveletters.
    She (not / see)him for a long time.
    (be / you)at school?
  • THE FORM OF THE PRESENT PERFECT TENSE
    Complete the text using the correct form of the verb in brackets:
     
    Jack (be)______my friend for over 20 years. We (know)______ each other since we were children. Recently, he and his family (move)_____ to a house on the same street as me, and now our children play together almost every day.
    For the last ten years, Jack and I (play)______ for the same hockey team every Saturday. Jack is a better player than I am, but in the last few months he (have)_______ some trouble with his left knee, and he (find)_______ it hard to play a full game.
    He (see)_______ the doctor several times about his knee, but the doctor doesn't know what is causing his pain. Jack (decide)______ to take a break from hockey for a while, so that his knee can recover. It's going to be lonely on the team without him!
  • E - REFERENCES
     
    http://www.ego4u.com/en/cram-up/grammar/present-perfect-simple
    http://esl.about.com/library/grammar/blpresperfect.htm
    http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/pperf.htm
    http://www.eclecticenglish.com/grammar/PresentPerfect1C.html