" Quite simply, I'd personally say: "I would like to get rid of that tick that 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, in lieu of "free" (irrespective of https://grantsforinsulationscotland.blogspot.com/2024/08/what-are-steps-to-apply-for-free.html