" In Other words, I would say: "I need to get rid of that tick which is been biting me all day." I would not say: "I have to be free from that tick." And that's why I would use "rid of" with a cold, instead of "free" (regardless of https://energygrants.finance.blog/2024/09/13/4-steps-to-apply-for-government-grant-for-solar-panels/