Answer:
I am always coming but I never arrive. What am I?
The letter S is added to pluralise most words in the English language. eg. Letter to Letters Word to Words and Language to Languages. But I am a word that is pluralised with the addition of the letter C.
I was was before was was was.
I am heavy forward but backward I'm not.
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.