Sentence Correction (SC) on the GMAT_ PART 3 (Grammar commonly tested on the GMAT)

Grammar commonly tested on the GMAT

   MODIFIERS

        Modifiers are words or groups of words that describe other parts of speech. The position of modifiers in a sentence indicates which element or elements they modify.

       As we change the position of modifiers, the meaning of a sentence may be altered.

       Given below are commonly errors.

1. Dangling Modifiers
Modifiers dangle when they are not logically connected to the main part of the sentence.

   For instance: Using the latest technology, the mechanical problem was identified quickly.
This is wrong, because " using the latest technology" is probably describing a technician, not the mechanical problem.

To correct: either state the subject right after the dangling modifier or add the subject to the modifier phrase.

Wrong sentence: Using the latest technology, the mechanical problem was identified quickly
         Correct: Using the latest technology, the engineer identified quickly
           The mechanical problem was identified quickly as the engineer used the latest technology.

2. Misplaced Modifiers
Misplaced modifiers lead to the illogical sentences that are difficult to follow.

For example: A small book sat on the desk that John had read. ( Problem: Misplaced Modifier)

To correct: Rewrite the sentence so that you place any modifiers as close as possible to the words, phrases, or clauses they modify.

  Wrong sentence: A small book sat on the desk that John had read
  Correct: A small book that John had read sat on the desk.

3. Modifiers: Possessive Poison

  Wrong sentence: Unskilled in math, Sarah's score was poor.
  Correct: Unskilled in math, Sarah did not score well.

4. Modifiers with Relative Pronouns

  Wrong sentence: We drove a car having engine trouble.
  Correct: We drove a car that had engine trouble

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