" To Put it differently, I'd personally say: "I need to remove that tick that is been biting me all day long." I would not say: "I must be free from that tick." And that is why I would use "rid of" with a cold, instead of "free" (it does https://grantsforinsulationscotland.blogspot.com/2024/09/why-should-you-apply-for-free-boiler.html