" Put simply, I might say: "I would like to get rid of that tick which is been biting me all day." I would not say: "I should be free from that tick." And that's why I might use "rid of" with a cold, instead of "free" (no matter no https://medium.com/@GreenHomesGrant/what-you-must-know-before-applying-for-eco-grants-df393d4ba597