Interest rates on mortgages have declined steadily during : GMAT Sentence Correction (SC)
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# Interest rates on mortgages have declined steadily during

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VP
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25 May 2006, 05:34
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Interest rates on mortgages have declined steadily during the first six months of this year but virtually remained unchanged during the next three months.

(A) have declined steadily during the first six months of this year but virtually remained unchanged
(B) declined steadily during the first six months of this year but virtually remain unchanged
(C) steadily declined during the first six months of this year but remain virtually unchanged
(D) declined steadily during the first six months of this but have remained virtually unchangingâ€™
(E) declined steadily during the first six months of this year but have remained virtually unchanged
If you have any questions
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Director
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25 May 2006, 05:51
OK... we do not need have declined

So A is out.....

D is out because ends in unchanging

C is out because of remain

I choose E....
VP
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25 May 2006, 05:56
AgreE.
' declined...........virtually unchanged'
Director
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25 May 2006, 06:29
Between 'B' & 'E' ..

Would go for 'B'.

'have' in 'E' (I believe) violates parallelism.. Also believe 'virtually remain unchanged' better than 'remain virtually unchanged'.
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25 May 2006, 07:11
Can someone explain clearly why is A wrong?
Thanks
Manager
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25 May 2006, 07:12
Nope i'll go for E ... there is no case of parallelism here because we are talking about different time periods ...E for me ... please ..what's the OA?
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VP
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25 May 2006, 07:34
BG wrote:
Can someone explain clearly why is A wrong?
Thanks

yes, any one care to explain why B is better over E or vice versa? in E why "have"?

Professor wrote:
Interest rates on mortgages have declined steadily during the first six months of this year but virtually remained unchanged during the next three months.

(B) declined steadily during the first six months of this year but virtually remain unchanged
(E) declined steadily during the first six months of this year but have remained virtually unchanged
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25 May 2006, 07:45
In my view, E is correct.

For the past 3 months, interest rates have been unchanged. This indicates that the process continues to the present. So indicate with present perfect.

B is wrong since "remain unchanged" indicates that interest rates will remain unchanged forever. Future perfect???
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25 May 2006, 09:45
I think problem in A is in the second part of the sentence "but virtually remained unchanged".

It should be "but remained virtually unchanged"

So ^E^
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25 May 2006, 10:50
Professor wrote:
BG wrote:
Can someone explain clearly why is A wrong?
Thanks

yes, any one care to explain why B is better over E or vice versa? in E why "have"?

Interest rates on mortgages declined steadily during the first six months of this year but have remained virtually unchanged during the next three months

Read the sentence carefully... the bold part states "during the next three months" ..... it means the process is still going on thats why we need "but have remained".....

HTH...

Thats why E.

If still its not clear, then I'll try to explain more clearly
Director
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25 May 2006, 12:21
Professor wrote:
Interest rates on mortgages have declined steadily during the first six months of this year but virtually remained unchanged during the next three months.

(A) have declined steadily during the first six months of this year but virtually remained unchanged
(B) declined steadily during the first six months of this year but virtually remain unchanged
(C) steadily declined during the first six months of this year but remain virtually unchanged
(D) declined steadily during the first six months of this but have remained virtually unchangingâ€™
(E) declined steadily during the first six months of this year but have remained virtually unchanged

^ E ^

>> A is out because "have declined" cannot be used with "during the first six months of this year" , it is past.

>> B is out because of "remain" . The tense here should be present perfect not present simple.

>> C is out. Same as B.

>> D is out for "changing". It is not a proper way to tell this. "unchanged" is correct

Here "present perfect" is used because "during the next three months" is either still going on or it has just finished.
Director
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25 May 2006, 16:53
This is an honest here..

Can anyone confirm and clarify the following for me ?

Usage of 'virtually' - here in this context virtually means "almost or near to practical". Therefore 'remain almost unchanged' sounds weired to me. almost (virtually) remained unchanged would have been far better.

Argument on missing perfect tense - I feel it is not a must here. The sentence describes events that had taken across different time periods.
SVP
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25 May 2006, 20:26
Will go with E.
A is out as have is used. Whereas the event is in past.
The second statement continues till the present time hence what do we call that â€œpresent perfectâ€
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25 May 2006, 20:36
selene wrote:
Professor wrote:
Interest rates on mortgages have declined steadily during the first six months of this year but virtually remained unchanged during the next three months.

(A) have declined steadily during the first six months of this year but virtually remained unchanged
(B) declined steadily during the first six months of this year but virtually remain unchanged
(C) steadily declined during the first six months of this year but remain virtually unchanged
(D) declined steadily during the first six months of this but have remained virtually unchangingâ€™
(E) declined steadily during the first six months of this year but have remained virtually unchanged

^ E ^
>> A is out because "have declined" cannot be used with "during the first six months of this year" , it is past.
>> B is out because of "remain" . The tense here should be present perfect not present simple.
>> C is out. Same as B.
>> D is out for "changing". It is not a proper way to tell this. "unchanged" is correct
Here "present perfect" is used because "during the next three months" is either still going on or it has just finished.

i have solved this question earlier but now i am facing difficulty in taking E as OA. B is also incorrect as the use of "virtually" is misplaced.

i am not able to take "have remained virtually unchanged" with "during the next three months".
VP
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25 May 2006, 20:44
gmat_crack wrote:
Interest rates on mortgages declined steadily during the first six months of this year but have remained virtually unchanged during the next three months

Read the sentence carefully... the bold part states "during the next three months" ..... it means the process is still going on thats why we need "but have remained".....

HTH...Thats why E.
If still its not clear, then I'll try to explain more clearly

you mean: six months (123456) ... next three months(789) ..........we are at the begaining of 10th month (10)?

now makes sense.
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26 May 2006, 01:12
Professor wrote:
selene wrote:
Professor wrote:
Interest rates on mortgages have declined steadily during the first six months of this year but virtually remained unchanged during the next three months.

(A) have declined steadily during the first six months of this year but virtually remained unchanged
(B) declined steadily during the first six months of this year but virtually remain unchanged
(C) steadily declined during the first six months of this year but remain virtually unchanged
(D) declined steadily during the first six months of this but have remained virtually unchangingâ€™
(E) declined steadily during the first six months of this year but have remained virtually unchanged

^ E ^
>> A is out because "have declined" cannot be used with "during the first six months of this year" , it is past.
>> B is out because of "remain" . The tense here should be present perfect not present simple.
>> C is out. Same as B.
>> D is out for "changing". It is not a proper way to tell this. "unchanged" is correct
Here "present perfect" is used because "during the next three months" is either still going on or it has just finished.

i have solved this question earlier but now i am facing difficulty in taking E as OA. B is also incorrect as the use of "virtually" is misplaced.

i am not able to take "have remained virtually unchanged" with "during the next three months".

selene wrote:

Here "present perfect" is used because "during the next three months" is either still going on or it has just finished.

I mean, the first 6 months finished. Jan., Feb., March, Apr., May, June. (this is "during first six months")

Then, it says during "next three months": July, Aug.,Sept.

Why we need present perfect is that we are not totally informed about the time. We don't know if we are in Sept. or Nov. or in any other month. The period of "during the next three months" may have just finished or we maybe in Sept. This means that we still have the effects of this period.
Re: SC: Interest Rates   [#permalink] 26 May 2006, 01:12
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