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Thread: To develop more accurate population forecasts

  1. #1
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    To develop more accurate population forecasts

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    Can you pl explain the answer for this Qn

    To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.

    • have to know a great deal more than now about the social and economic
    • have to know a great deal more than they do now about the social and economical
    • would have to know a great deal more than they do now about the social and economical
    • would have to know a great deal more than they do now about the social and economic
    • would have to know a great deal more than now about the social and economical

  2. #2
    Am getting there!!!! chandak_anand's Avatar
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    Should be D. What is the Official Answer?

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    ambitious yashesha's Avatar
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    i go with D..

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    Within my grasp! jadugar's Avatar
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    To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.

    • have to know a great deal more than now about the social and economic
    • have to know a great deal more than they do now about the social and economical
    • would have to know a great deal more than they do now about the social and economical
    • would have to know a great deal more than they do now about the social and economic
    • would have to know a great deal more than now about the social and economical
    There are three errors in the incorrect sentences:
    1. The sentence should use future perfect tense since the two events are occuring in sequence in future. Sentence should use "would have" and not "have". Options A, B are ruled out; options C, D, E satisfy.
    2. Word economic and economical are not same although both of them are adjectives. This is altered intent case. Options B, C, E are ruled out; options A, D satisfy.
    3. Faulty comparison of time and knowledge. "to know" is compared to "now", while it should have been "they know now" to "what they would know". Options A, E are ruled out; options B, C, D satisfy.

    So only option D satify.

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    Within my grasp! ontheway's Avatar
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    I don't think " would have" should be preferred over "have" in this sentence. Normally "would have" should be used to refer future prospect of any past event. I think present tense is enough to retain the meaning of the sentence.
    Only A & D use word "economic", making them viable options while others using word "economical" that changes meaning of the sentence.
    A compares knowledge to time (now) therefore faulty.
    Only option left is D.

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    Within my grasp! jadugar's Avatar
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    Quote Originally Posted by ontheway View Post
    I don't think " would have" should be preferred over "have" in this sentence. Normally "would have" should be used to refer future prospect of any past event. I think present tense is enough to retain the meaning of the sentence.
    I think you are right. I drop my argument 1.

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    March 15 - Need to do it
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    I pick D too

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    An Urch Guru Pundit Swami Sage prreeet's Avatar
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    D for me as well....

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    An Urch Guru Pundit Swami Sage
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    IMO A

    As would is used to describe future event of past event and here both the events are in future.

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    An Urch Guru Pundit Swami Sage dv_dheeraj's Avatar
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    i think usage of would is warranted as it is a conditional statement.

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