Of all the three questions types on the GMAT Verbal section — Sentence Correction, Critical Reasoning and Reading Comprehension — SC is the question type that most people preparing for the GMAT tend to take a liking towards (it goes without saying that RC is the most hated). This fancy towards SC often leads to aspirants really digging deep into Grammar. So much so that they start spouting Grammar jargon! But there is more to GMAT Sentence Correction than the rules — a process or approach that will ensure that you do not become/remain a Grammar expert but become a GMAT SC expert.