" In Other words, I would say: "I need to get rid of that tick which is been biting me all day long." I would not say: "I must be free from that tick." And that's why I'd use "rid of" with a cold, rather than "free" (irrespective of no https://ecograntswales.family.blog/2024/08/21/how-to-apply-for-solar-panel-grants-scotland/