To conclude the Sentence Correction chapter, we have 30 timed practice questions (ten of each skill level). You have two minutes to do each question. There is a pause button if you have to take a break. Reload the page to restart the clock.

Try using the 800score method to answer these questions:

800score Three-Step Method to Sentence Correction questions is as follows:


Read the complete sentence. Do not simply read the underlined part of the sentence, because context may be important in determining the correct answer. As mentioned above, choice A will always be a copy of the original underlined part of the sentence. If you cannot find any errors, grammatical or otherwise, in the original sentence, choose A, and move on. Don’t worry about spelling, capitalization, or punctuation; they are not covered in Sentence Correction questions. If you do find an error in the underlined portion, or if you’re not sure, proceed to step two.


The GMAT tests only a limited number of grammar error types. After you’ve read the sentence, look for clues indicating what grammar rule the question is testing. These grammar rules and the clues to look for will be covered in more detail in the next section. Keep an eye out for these common issues:
Agreement Issues: Look for pronouns, verbs, and nouns: do they agree?
Modifiers: Look for introductory phrases set off by a comma: is the modifier used correctly?
Parallels: Look for commas separating words in a list, as well as expressions such as not only…but also, both..and, either…or, neither…nor: is everything parallel?


After you’ve dissected the question, compare answer choices and note how they differ. Look for the answer choice that preserves the meaning of the original sentence without creating new errors. Eliminate answer choices with grammar errors.

When you press a link, the two-minute countdown timer will begin.

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