Answer:
In many hall ways you would stand if not with me in hand.
The more you take the more you leave behind. What am I?
I begin your sentences. What am I?
I am shared by goats devils and unicorns.
I shrink smaller every time I take a bath. What am I?
Runs over fields and woods all day. Under the bed at night sits not alone, With long tongue hanging out, Resting at your feet until we go for a walk