Answer:
I have a head, tail, but no arms and legs. What am I?
Pronounced as one letter but written with three always in evil never in good and always in zebra never in animal. What is it?
What is always in front of you but can't be seen?
I am always coming but I never arrive. What am I?
When you take away the whole from me, there is always some left. What am I?
No matter how little or how much you use me, you change me every month.