Answer:
You can always find me in the past. I am created in the present, but the future can not change me. What am I?
Six letters do my name compound; among the aged oft I'm found; The shepherd also by the brook hears me when Leaning on his crook; but in the middle me divide and take the half on either side each backward read a liquor tell ev'ry gay toper knows it well.
I am a shimmering field that reaches far. Yet I have no tracks and am crossed without paths. What am I?
I have fangs and enjoy piecing holes with a single bite.
What is full of holes but still holds water?
The answer I give is yes, but what I mean is no. What was the question?