The GMAT tests only a limited number of grammar error types. Therefore, you only need to learn a handful of rules – you don’t need to master every grammatical and stylistic rule of Standard Written English to do well on the GMAT.

Seven Types of Errors
in Sentence Correction

1. Subject-Verb Agreement
2. Modifiers
3. Parallelism
4. Pronoun Agreement
5. Verb Time Sequences
6. Comparisons
7. Idioms

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