" In other words, I would say: "I need to remove that tick that's been biting me all day." I wouldn't say: "I must be free from that tick." And that's why I might use "rid of" with a cold, as opposed to "free" (it does not matter whether or https://energyefficiencygrants.blogspot.com/2025/07/boiler-upgrade-scheme-cavity-wall.html