How to use "free"

[Suthipong]

I know how to use "free" :
1. I give you this ticket for free.
2. This ticket is free.
3. This ticket is free of charge.
Question:
A. Can I say "I give you this ticket free". (use free without for)
B. Are there any using of free in other ways?

[Rover_KE]

A. Can I say "I give you this ticket free"? Yes, and this is the preferred version of most traditional BE speakers.

B. Are there any other usages of 'free'? Yes - plenty. See any dictionary.

Rover