Answer:
I am in the past, never in the future. I don't exist, but have existed. I saw what you saw, and this is what I will ever see. What am I?
What word has kst in the middle, in the beginning, and at the end?
I am all around, yet to me you are half blind. Sunlight makes me invisible and difficult to find. What am I?
I have an eye but cannot see. I take time to generate and can dissipate in seconds. What am I?
What five-letter word has six left when two letters are removed?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.