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According to a study published by Dr. Myrna Weissman, only

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Re: SC 41/1000 [#permalink] New post 18 Sep 2010, 04:40
is there an official answer to this?
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Re: SC 41/1000 [#permalink] New post 01 Jan 2011, 10:48
A seems better .
between A,B........B seem vague
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Re: SC 41/1000 [#permalink] New post 06 Jul 2011, 04:40
Since published is in the past..ie., she published a report on something that had happened before..so, past perfect needs to be used here..it is correctly used only in option A...the second part of (B) after the semi-colon talks about ..if they are born, which is awkward.
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Re: SC 41/1000 [#permalink] New post 21 Jul 2011, 10:01
I think A would be correct choice.

According to a study published by Dr. Myrna Weissman, only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four.
(A) only one percent of Americans born before 1905 had suffered major depression by the age of seventy-five; of those born since 1955, six percent had become depressed by age twenty-four [seems correct syntactically and meaning-wise]
(B) only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four [incorrect usage of the word suffer; should be suffered. Similarly for become]
(C) of Americans born before 1905, only one percent of them have suffered major depression by age seventy-five, but six percent of those born since 1955 do by the age of twenty-four [have suffered should be had suffered; since 1955 did by..]
[only one percent of them--unnecessary usage of them. omitting it makes the meaning clear as well]
(D) major depression is suffered by the age of seventy-five by only one percent of Americans born before 1905, and by age twenty-four by the six percent born since 1955 [no matching between only one percent and by the six percent;Incorrect sentence construction]
(E) Americans born before 1905 suffer major depression by the age of seventy-five only one percent of the time, but six percent of those born since 1955 did so by age twenty-four [suffer ..did so...No matching of tenses...also the meaning becomes ambiguous..by the age of seventy-five only one percent of the time..are we referring to a period/ passage/ quantity of time?]
Plz clarify between A, B and E....
E seems to be appropriate....????..
In A had is required or not????
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Re: SC 41/1000 [#permalink] New post 21 May 2013, 21:58
arundas wrote:
I see no body selecting B. Am I missing something very obvious here? Moreover as per Manhattan GMAT a clause after semi-colon be able to stand on its own. So how can A be the correct answer.





(B) only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four..


In this question, we are trying to show contrast between people who are born before 1905 and since 1955. The usage of "if" is not very apt, also u can observe that a present tense is usage "Americans born before 1905 suffer major depression" and thus the choice can be eliminated.
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Re: SC 41/1000 [#permalink] New post 21 May 2013, 21:59
arundas wrote:
I see no body selecting B. Am I missing something very obvious here? Moreover as per Manhattan GMAT a clause after semi-colon be able to stand on its own. So how can A be the correct answer.





(B) only one percent of Americans born before 1905 suffer major depression by the age of seventy-five; if they are born since 1955, six percent become depressed by age twenty-four..


In this question, we are trying to show contrast between people who are born before 1905 and since 1955. The usage of "if" is not very apt, also u can observe that a present tense is used "Americans born before 1905 suffer major depression" and thus the choice can be eliminated.
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Re: According to a study published by Dr. Myrna Weissman, only [#permalink] New post 22 May 2013, 04:01
I am studying verb form/tense tab
I see that the actions is in the past but B,C,D,E, use verb in present time. so, B,C,D,E are wrong.

is my thinking correct?
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Re: According to a study published by Dr. Myrna Weissman, only [#permalink] New post 09 Jun 2014, 05:30
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Re: According to a study published by Dr. Myrna Weissman, only [#permalink] New post 10 Jun 2014, 07:40
"By the end", "by the age" demand the use of past perfect. But "since" used in context of time demands present perfect.

In the original sentence since and by the age is used together. Is it correct to use past perfect?
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Re: According to a study published by Dr. Myrna Weissman, only [#permalink] New post 10 Jun 2014, 10:22
In "those born since 1955", "since" means "after". You need to use the past perfect to imply that the Americans became depressed "before" they turned (simple past) 24.

Read the sentence with present perfect:
Of those born after 1955, six percent have become depressed by age 24.

The present perfect is used for actions occurring in this window: past--present. But the Americans did not turn 24 today. You cannot combine the present perfect with markers of the past such as "last week" or "by some (past moment)".


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Re: According to a study published by Dr. Myrna Weissman, only   [#permalink] 10 Jun 2014, 10:22
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