Preface Absolute concepts such as unique bad versus badly Clichés Comma splices Commas with items in a series Dangling modifiers however at the beginning of a sentence lie versus lay myself none one of those who (or that) Passive voice Possessive before a gerund Pronoun-antecedent agreement Sexist language Split infinitives that versus which who versus which or that who versus whom you

Click on a topic, such as myself or pronoun-antecedent agreement, to find out what experts have to say about these often controversial issues of grammar and usage. For more about the sources used in these debates, see Diana Hacker’s annotated list of usage guides.