Answer:
I regularly change shape yet remain a sphere. I am always there but not often seen. What am I?
You use a knife to slice my head and weep beside me when I am dead.
Canine children.
You will always find me in the past. I can be created in the present, but the future can never taint me. What am I?
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
Whatโs a carpetโs favorite sport?