" In other words, I'd personally say: "I want to eliminate that tick which is been biting me all day long." I wouldn't say: "I have to be free from that tick." And that's why I would use "rid of" with a cold, as opposed to "free" (regardless of whether https://medium.com/@freeecograntsuk/4-steps-to-apply-for-government-grant-for-solar-panels-5abc65e3ac0e