Answer:
I have four fingers and a thumb, but I'm not living. What am I?
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?
I run around the streets all day. Under the bed or by the door I sit at night, never alone. My tongue hangs out, waiting to be fed during the day. What am I?
I help boats park
If two is company and three is a crowd, what is four and five?
No matter how little or how much you use me, you change me every month.