According to me, we are neither completely free and nor we are completely determined. We fall into the gray area somewhere. I do agree with the behaviourists who say that free will is an illusion. It is true that our opinions are shape by the experiences we have faced in our lives. Free will is an illusion, definitely. For examples, my free will says not to write this discussion question and spend my time watching a couple of movies. But can I do so, I cannot. All of us, some of the time, supress our free wills and work according to the instruction given to us or we behaved in a determined manner.