" To put it differently, I would say: "I want to eliminate that tick which is been biting me all day." I wouldn't say: "I have to be free from that tick." And that's why I'd use "rid of" with a chilly, rather than "free" (it doesn't matter no matter https://medium.com/@freeecograntsuk/make-your-home-energy-efficient-with-smart-solutions-embrace-grants-for-insulation-51a310d578d0