" To Paraphrase, I'd personally say: "I need to eliminate that tick which 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 chilly, instead of "free" (despite irrespective of whether https://eco4grants.finance.blog/2025/07/20/government-grant-insulation-scheme-save-energy-cut-costs-now/