It’s Merriam-Webster’s Word of the Day today, so here is a context clues worksheet on the verb purport, which is used only transitively. Don’t forget your direct object: what is the subject of your sentence purporting? Arcane knowledge? Expertise in neurosurgery? A conscience?
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.