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    Unhappy Perfect Tenses

    I have to do this test on verb tenses,and I have searched the internet throughly, but I couldn't fnd anything to help me. I would like to know if these sentences are correct are along the lines:

    They have read Stephine Meyer's books since they came out.

    I had read "Eclispe" before.

    I will have read all of Stephine Meyer's books before Christmas.

    I really need help on this project, and I really don't understand the pefect tenses.

    I think that these are alone the lines of the tenses, but I'm not sure i they are. It would really help the test that I'll have to do Tuesday.
    Last edited by Nachaska; 05-Dec-2009 at 21:50. Reason: misspelled words

  1. mara_ce's Avatar
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    Re: Perfect Tenses

    Quote Originally Posted by Nachaska View Post
    I really need help on this project, and I really don't understand the pefect tenses.
    Present Perfect describes an action that happened at an indefinite time in the past or that began in the past and continues in the present.

    Jim has had three car accidents. (up to the present)
    I´ve twisted my ankle. (that´s why I´m limping)
    I´ve been waiting for you for three hours! ( a state that lasts up to the present moment)
    I´ve been cleaning the house but I still haven´t finished. (an incomplete activity)
    I´ve been writing letters all morning. (to emphasise duration)
    I´ve been running, that´s why I look hot. (a recently finished activity)
    I´ve been taking French lessons this year. (a repeated activity)

    Future Perfect refers to time which we look back at from a future point.

    In two years’ time I will have finished this book.
    By the end of the month, I’ll have been working for this firm for a year.

    Past Perfect refers to an event in the past which happens before another event in the past, when there´s no time expression to make this clear.

    By the time I got to the station, the train had left.
    While I had been talking on the phone, Jimmy had escaped.
    The whole place was deserted, but it was obvious that someone had been living there. They´d been cooking in the kitchen for a start, and they hadn´t bothered to clear up the mess.

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