"I obtained this thermos for free" Seems perfectly regular to me. "That thermos was for free" sounds undesirable: I might just say "That thermos was free." herisson 'The popcorn comes at a price', 'The popcorn isn't free', 'The popcorn Charge $ten', 'You must purchase the popcorn' or, only, 'The popcorn https://juliae207qpo4.mywikiparty.com/user