I asked a question in which I said "I've never heard someone saying it", and one of our fellow ELL users corrected it to "I've never heard someone say it". Can I say "I've never heard someone saying it" or not? if not why?
The context is
This is one of the things that I don't really know the proper name for, because I've never heard someone say it, but I know how to explain it.
Any explanation is appreciated!