# GMAT Tip: Sentence Error Types

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The GMAT Tip of the Week is a weekly column that includes advice on taking the Graduate Management Admission Test, which is required for admission to most business schools. Every week an instructor from a top test-prep company will share suggestions for improving your GMAT score. This week’s tip comes from Sean Selinger, founder of 800Score.

Sentence correction questions are much simpler than they look. There are only nine possible error types (verb form, agreement, modifiers, pronouns, idiomatic, sentence structure, parallelism, meaning, and brevity). The five answer choices will always have variations of these error types. Identifying the error type is key to choosing the right answer.

For example: In ancient Thailand, much of the local artisans’ creative energy was expended for the creation of Buddha images and when they constructed and decorated the temples that enshrined them.

A. much of the local artisans’ creative energy was expended for the creation of Buddha images and when they constructed and decorated the temples that enshrined them.

B. much of the local artisans’ creative energy was expended on the creation of Buddha images and on construction and decoration of the temples in which they were enshrined

C. much of the local artisans’ creative energy was expended on the creation of Buddha images as well as constructing and decoration of the temples in which they were enshrined

D
. creating images of Buddha accounted for much of the local artisans’ creative energy, and also constructing and decorating the temples enshrining them

E.
the creating of Buddha images accounted for much of the local artisans’ creative energy as well as construction and decoration of the temples that enshrined them
Official Guide for GMAT Review, 12th edition

The answer choices will help you zone in on the errors. Notice the series, “expended, constructed and decorated.” This question probably tests parallelism. Notice “they” and “them” and how this is in flux in the answer choices. This looks suspiciously like a pronoun error. Answer (B) fixes both of these errors with a clear parallel structure (“on the creation,” “and on construction and decoration”) and a logical antecedent for the pronoun “them”.

Sean Selinger is the founder of 800score, a test-prep service for the GRE and GMAT since 1999. Selinger graduated from Cornell University and scored above the 99th percentile on the SAT and the GMAT.

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