In addition to the testing the grammar and meaning, GMAT also introduces errors pertaining to idiomatic usage of words. Such usage of words does not involve any specific rules. Thus, in order to identify and correct such errors, one needs to be familiar with the commonly tested idioms. For example:
Not only does GMAT test grammar and meaning, but it also tests idiomatic usage of words and expressions.
In the sentence above, the idiomatic expression used is “not only…but also”. Thus, the following sentence is incorrect.
Not only does GMAT test grammar and meaning, it tests idiomatic usage of words and expressions as well.
Lets consider another example:
Ten years back, people could not have imagined how much effect internet has on the democratic revolutions.
In this sentence, “effect” is used correct. If the sentence used “affect” then it would be incorrect.
Where can I get more information?
Idioms are covered in detail in e-GMAT Sentence Correction course in the following files.
- Idioms – Comparisons
- Idioms – Standard Expressions
- Idioms – Quantities
- Idioms – Functions of Words I
- Idioms – Functions of Words II
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