" In other words, I would say: "I need to get rid of that tick that's been biting me all day long." I wouldn't say: "I must be free from that tick." And that is why I might use "rid of" with a chilly, instead of "free" (it does not https://energyefficiencygrants.blogspot.com/2024/08/what-are-steps-to-apply-for-free.html