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Uses of FOR and SINCE for time

Discussion in 'Jukwaa la Lugha' started by Aqua, Aug 24, 2012.

  1. Aqua

    Aqua JF-Expert Member

    #1
    Aug 24, 2012
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    [h=1]For and Since for Time[/h] We often use for and since when talking about time.
    for + period
    A period is a duration of time, for example: 5 minutes, 2 weeks, 6 years. For means "from the beginning of the period until the end of the period." For can be used with all tenses.
    since + point
    A point is a precise moment in time, for example: 9 o'clock, 1st January, Monday. Since means "from a point in the past until now." Since is normally used with perfect tenses.
    [TABLE]
    [TR]
    [TD="align: center"]for
    a period
    (from start to end)
    >===<[/TD]
    [TD="align: center"]since
    a point
    (up to now)
    x===>|[/TD]
    [/TR]
    [TR]
    [TD="align: center"]for 20 minutes
    for three days
    for 6 months
    for 4 years
    for 2 centuries
    for a long time
    for ever
    etc[/TD]
    [TD="align: center"]since 9am
    since Monday
    since January
    since 1997
    since 1500
    since I left school
    since the beginning of time
    etc[/TD]
    [/TR]
    [TR]
    [TD="bgcolor: #FFFFEE, align: center"]all tenses[/TD]
    [TD="bgcolor: #FFFFEE, align: center"]perfect tenses only[/TD]
    [/TR]
    [/TABLE]
    For can be used with all tenses. Here are a few examples:

    • They study for two hours every day.
    • They are studying for three hours today.
    • He has lived in Bangkok for a long time.
    • He has been living in Paris for three months.
    • I worked at that bank for five years.
    • Will the universe continue for ever?
    For is NOT used with "all day", "all the time" etc.

    • I was there all day. (not *for all day)
    Since is normally used with perfect tenses:

    • He has been here since 9am.
    • He has been working since he arrived.
    • I had lived in New York since my childhood.
    Since can also be used in the structure "It is [period] since...":

    • It is a year since I saw her.
    • How long is it since you got married?


    Both for and since also have other meanings, with no reference to time. Here are some examples:
    • This is for you.
    • Is this the train for London?
    • Since you ask, I'll say yes.(hapa since inakuwa kama "because" ila kuna kuwa na condition iliyopelekea hicho kitu kutokea)
    • Since he didn't study he didn't pass the exam.(because he did't study he didn't pass the exam).

    Makosa tunayofanya.

    I waited for you since 9am to 12pm.Hii si sahihi,ukitumia since hutakiwi kutaja point nyingine ya muda.
    Since hutumiwa kutaja duration ila ni kuanzia muda wa kwanza mpaka muda huo unaoongea kitendo kile kinachoongelewa kina kuwa bado kinaendelea.
    Correction: I waited for you from 9am to 12pm.Hapa sahihi
     
  2. NdasheneMbandu

    NdasheneMbandu JF-Expert Member

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    Aug 25, 2012
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    Ndaga fijo na naloli! Nimeelewa vizuri sana.
     
  3. Mama wawilii

    Mama wawilii Senior Member

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    Aug 27, 2012
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    You have added something into my library(brain)
     
  4. Aqua

    Aqua JF-Expert Member

    #4
    Aug 27, 2012
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    My pleasure.
     
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