" To put it differently, I would say: "I need to get rid of that tick that is been biting me all day long." I would not say: "I must be free from that tick." And that's why I might use "rid of" with a chilly, as an alternative to https://greenhomesgrant.car.blog/2024/08/21/top-qualities-of-top-agencies-while-applying-for-loft-insulation-grant-for-pensioners/