Suppose one of your classmates asks you to proofread a paper before he or she submits it for a grade. When reviewing the document you begin to...

Suppose one of your classmates asks you to proofread a paper before he or she submits it for a grade. When reviewing the document you begin to suspect that some portions are plagiarized. What would be the appropriate why to approach your classmate about your concerns? What advice could you offer and what tools would you recommend to help that classmate avoid plagiarism?200 word limit. Thanks!