" Quite simply, I'd say: "I need to remove that tick that's been biting me all day long." I would not say: "I should be free from that tick." And that's why I might use "rid of" with a cold, rather than "free" (it doesn't matter whether of He seen https://energygrants.finance.blog/2024/08/21/how-to-apply-for-solar-panel-grants-scotland/