What Am I Riddles

Question: You will always find me in the past. I can be created in the present, But the future can never taint me. What am I?

Question: Six squares and a straight line, I can tell you anything; from what's thine to what's divine.

Question: A vivid reality, a naked morality, a place where wishes come true.

Question: What has 3 feet but cannot walk?

Question: I'm written with two letters, said with one and seen with two.What am I?