Inc. BarCharts 
Common Grammar Pitfalls & Mistakes 

Our 3-panel (6-page) guide offers a concise review of tips to help improve skills in English grammar and word usage, which is sure to make it a hit with "grammarphobes" and word lovers, alike. Jam-packed with information that is divided into separate sections on grammar pitfalls and usage pitfalls, including: Subject-Verb Agreement Tense & Pronoun Shifts Run-on Sentences & Sentence Fragments Commas & Apostrophes Double Negatives Misused Modifiers Split Infinitives Redundancy Verb Form Mistakes Misused Words And more!