cost Vs costs

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cks Junior | Next Rank: 30 Posts Default Avatar
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cost Vs costs

Post Wed Feb 27, 2008 4:07 pm
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    Can some one help me to understand the singular/plural question.

    "These shoes cost $100" Shoes - Plural Cost - Plural
    "This mistake cost him his job" Mistake - Singular Cost - Singular ???

    I thought 'cost' is plural and 'costs' is singular..

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    smushkas Senior | Next Rank: 100 Posts Default Avatar
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    Post Wed Feb 27, 2008 4:36 pm
    Hey there,

    In the second sentence "cost" is in the past tense.
    http://www.usingenglish.com/reference/irregular-verbs/cost.html

    Hope this helps.

    cks Junior | Next Rank: 30 Posts Default Avatar
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    Post Wed Feb 27, 2008 5:40 pm
    Let me post the original question from OG 11 SC Q 41

    While large banks can afford to maintain their own data-processing operations, many smaller regional and community banks are finding that the cost associated with upgrading data-processing equipment and with the development and maintenance of new products and technical staff are prohibitive.

    A cost associated with
    B costs associated with
    C costs arising from
    D cost of
    E costs of

    OA is B.

    Here the "costs" is considered as Plural WHY??

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    Stuart Kovinsky GMAT Instructor
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    Post Wed Feb 27, 2008 9:07 pm
    cks wrote:
    Let me post the original question from OG 11 SC Q 41

    While large banks can afford to maintain their own data-processing operations, many smaller regional and community banks are finding that the cost associated with upgrading data-processing equipment and with the development and maintenance of new products and technical staff are prohibitive.

    A cost associated with
    B costs associated with
    C costs arising from
    D cost of
    E costs of

    OA is B.

    Here the "costs" is considered as Plural WHY??
    Cost could certainly have been singular if this sentence were written differently.

    A cardinal rule of sentence correction is that you have to change the underlined part to match the non-underlined part. If a word isn't underlined, then it's correct.

    In the non-underlined part, we have "are prohibitive" - a plural verb. Since we have a plural verb, we need a plural noun - in this case, "costs".

    The sentence also would be correct if "are prohibitive" were changed to "is prohibitive", but we're not allowed to do that in this case.

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    cks Junior | Next Rank: 30 Posts Default Avatar
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    Post Thu Feb 28, 2008 6:03 am
    Stuart Kovinsky,

    Thanks for the explanation.

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    lunarpower GMAT Instructor
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    Post Fri Mar 07, 2008 2:10 am
    this is obvious enough that you've probably noticed it, but i'll do my due diligence and post it anyway: your example uses completely different words than does the og example you've posted.

    your example uses cost(s) as a verb (and conflates the present and past tenses, too).

    the og example uses cost(s) as a noun, which must be chosen to agree with the verb that appears later in the sentence.

    these are in effect two different words - one a noun, the other a verb - that just happen to look the same. any correlations between them, though, are spurious and should be ignored in the name of proper grammar.

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    yalephd2007 Senior | Next Rank: 100 Posts Default Avatar
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    Post Sun Apr 13, 2008 4:57 pm
    Costs should be used.

    moadhia Senior | Next Rank: 100 Posts Default Avatar
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    Post Tue Mar 10, 2009 7:08 pm
    I was wondering about the answer choices given. Would

    - cost associated with
    - cost arising from
    - cost of

    mean the same thing in this sentence?? The OG discards them because they are not parallel but would the meaning of the sentence stay the same with these 3 choices ? Just curious to know.

    pravsj Newbie | Next Rank: 10 Posts Default Avatar
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    Post Wed Apr 28, 2010 8:57 am
    Reopening this thread.
    Hi Ron,
    I still have the confusion regarding the usage of 'are'.Is this 'are' not indicates to two clauses assoicated with And conjuction.
    cost associated with upgrading data-processing equipment and with the development and maintenance of new products and technical staff are prohibitive

    can you please help me to explain this confusion.

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