What Am I Riddles

Question: What is that comes out of a man, has no hand and has no legs but can make a hole on the ground?

Question: I am lonely and yet you use me a lot. What am I?

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: I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am i?

Question: I have 3 eye colors yellow red and green when the red eye opens everybody freezes. What am I?