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260. During the 1980’s approximately $50 billion in private investment capital is estimated to have left Mexico and added to the strain on the country’s debt-ridden economy.
(A) During the 1980’s approximately $50 billion in private investment capital is estimated to have left Mexico and added
(B) During the 1980’s it is estimated that approximately $50 billion in private investment capital left Mexico and added
(C) It is estimated that there was approximately $50 billion in private investment capital that left Mexico during the 1980’s and added
(D) It is estimated that during the 1980’s approximately $50 billion in private investment capital left Mexico, adding
(E) Approximately $50 billion in private investment capital is estimated as having left Mexico during the 1980’s, adding

Can someone please explain why 'estimated as having left' in (E) is wrong? I would appreciate if the reason provided is more helpful than 'sounds awkward' :))-.

I understand that 'estimated to be' is idiomatic but looks like 'estimated as' is also idiomatic.


$50 million was the estimated amount that had supposedly left mexico.

More than the grammar involved just look at E - it says Approx 50 mil is estimated has having left mexico - indicating that the estimate was that the money had left mexico - where as the it was the AMOUNT whose estimated value was 50 Million THAT had left mexico.

All things considered D sounds best.
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A, B, C are all bad because of the "and added"...the capital itself wasn't added to the strain.

E uses the very strange "as having", which might be grammatically correct but is clearly stylistically inferior to D.

D
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The core problem lies in equating the capital 'leaving' the country with 'the adding' to the strain. Adding to the strain is an effect of the 'leaving'. Hence leaving should be given the prime status and be referred by a verb. The adding part should be referred by a 'comma + ing' present participle (, adding) and not by ‘added’. Therefore, we can eliminate ABC on that score alone. Between D and E, D outplaces E with the better idiomatic use of 'estimated that'.
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During the 1980’s approximately $50 billion in private investment capital is estimated to have left Mexico and added to the strain on the country’s debt-ridden economy.

(A) During the 1980’s approximately $50 billion in private investment capital is estimated to have left Mexico and added --> Looks like estimation was done in 1980. Illogical
(B) During the 1980’s it is estimated that approximately $50 billion in private investment capital left Mexico and added --> Same as A
(C) It is estimated that there was approximately $50 billion in private investment capital that left Mexico during the 1980’s and added --> Investment left and investment added. ILLOGICAL
(D) It is estimated that during the 1980’s approximately $50 billion in private investment capital left Mexico, adding
(E) Approximately $50 billion in private investment capital is estimated as having left Mexico during the 1980’s, adding --> Same as A and I hate Having. :)
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it is hard to realize modification between doing and main clause. in this case, two action is not separate and is considered one action. the action in doing can be context, reason, or effect of action in main clauses. the meaning relation is relation of reason, effect and contest and, so, is called versatile relation.
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Doesn't D have a dangling modifier issue? It can mean two things imo:
1. During the 1980's approximately... - Author is trying to mean that it might have happened in the 1980s.
2. During the 1980's approximately 50 million... - The actual meaning of the sentence.

Could some expert help me out here? MartyTargetTestPrep
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Doesn't D have a dangling modifier issue? It can mean two things imo:
1. During the 1980's approximately... - Author is trying to mean that it might have happened in the 1980s.
2. During the 1980's approximately 50 million... - The actual meaning of the sentence.

Could some expert help me out here? MartyTargetTestPrep
Great question.

The term you mean to use is "squinting modifier," which refers to a modifier that is placed between two possible targets and could modify either.

In this case, the meaning is pretty clear, and the reason it is is that "during the 1980s" pretty clearly indicates that the event in fact occurred during the 1980s, rather than around that time. After all, why would the author bother using "during" if the author wasn't sure when the event occurred. If the author were not sure, it would make more sense to say, "around the 1980s."

So, in this case, the author's choice of wording points to one meaning rather than the other.

That said, even if we were not satisfied with the placement of "approximately," the other versions of the sentence are so clearly flawed that (D) is clearly the best choice.

On a side note, even the best version of the sentence is a bit comical, in that it conveys that $50 billion added to the strain on the economy. Wait what?
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