Do my verbs and nouns agree? Are the adverbs in the right place? Did i use the correct conjunctions and prepositions?
Spelling: British English? Check my spelling for correctness? Are there any “hidden homonyms” (to, too, two)?
Punctuation: British English? These will tell you if you should use a single or double quotation, if commas and periods should be inside or outside the punctuation, etc.
Sentence structure Do you avoid passive voice? Is the subject in your sentence clear? Are there any sentences that are too long or complex? Does each sentence contain a single idea?
Logical flow Do your paragraphs make sense? Does your argument flow logically? Is it easy for the reader to follow you from A to B?
Verb tense agreement Do your sentences consistently use past/present/future? Is it clear when things happen?
Word usage Are you using words in the appropriate context? Are you explaining any new or specialized terms clearly? Is your paper written at a level appropriate for your target audience?
Capitalization and hyphens Are you capitalizing words correctly and consistently throughout the paper? Do you hyphenate words consistently throughout the paper?