To edit sentences for errors in grammar and usage, writers look for a. incorrect headings. b. mistakes with commas. c. misplaced or confusing modifiers. d. problems with periods. writers proofreading essays would look for a. big mistakes in grammar and usage. b. issues with coherence and style. c. places in the essay that need additional facts. d. errors they commonly make. identify a good strategy for editing essays for spelling errors. a. correct the essay while prewriting to catch errors early. b. make a clean, error-free final copy of an essay. c. let the draft sit for an hour or so before editing it. d. look for the errors in the essay immediately after drafting.