After you compose your message, you need to proofread. The proofreading process may take longer than the composition process. You don’t want to spend a lot of time composing the message and then let poor grammar or punctuation prevent your audience from comprehending it. What proofreading techniques should you use for both routine and complex documents? Check all that apply. Check for typos, misspellings, and grammatical errors. Skim over grammatical errors. Revise only once. Print a copy of the document.