Answer:
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
I have branches but no fruit trunk or leaves. What am I?
What is black and white and red all over?
I have three eyes and only one leg. Obey me or you will be sorry.
What is seen in the middle of March and April that cannot be seen at the beginning or end of either month?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.