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Sentence Correction: Preposition and Idiom Questions - Overview

Bankers worried about the current low rates of investment, a trend viewed by economists as responsible for the large amount of money lying idle in the country's banking system, are awaiting the government's decision about disbursal of a stimulus package.

Incorrect.

This answer choice is grammatically incorrect. The phrase worried over is non-idiomatic. The correct idiom is worried about.

In addition, this answer choice incorrectly adds the apostrophe (') in the possessive economists' view. A possession is constructed between two nouns. However, in this sentence, the word view is a verb. Economist view should remain a subject and verb combination, otherwise the clause a trend economists view as [...] remains without a verb.

Incorrect.

This answer choice is grammatically incorrect. The expression viewed...to be is non-idiomatic. The correct idiom is view/viewed as.

Incorrect.

This answer choice is grammatically incorrect.  The relative clause that is responsible for the large amount of money, etc. is intended to modify the noun phrase the current low rates of investment. However, it appears after the verb view.

What helps us identify this question as a Relative Clause question as well as identify the mistake is the following Stop Sign:

who, which, that, whose, whom

Incorrect.

This answer choice is grammatically incorrect. The expression responsible of is non-idiomatic. The correct idiom is responsible for.

Well done!

This answer choice makes correct use of the idioms worried about, view/viewed as and responsible for.

worried about the current low rates of investment, a trend viewed by economists as responsible for the large amount of money lying
worried over the current low rates of investment, a trend economists' view as responsible for the large amount of money lying
worrying about the current low rates of investment, viewed by economists to be a trend responsible for the large amount of money lying
worried about the current low rates of investment, a trend economists view that is responsible for the large amount of money that lies
who worry about the current low rates of investment, which economists view as responsible of the large amount of money lying