How is the "o" is "sover" pronounced? Is it like "å" or the British English pronunciation of "o" as in "hot"
the answer: ( the child is sleeping ) is not correct? How do we know that this is plural. If singular is ett barn (a child) , plural the same ett barn (children)
"Ett" means "one" or "a" so it can never be part of a plural.
Ett-words commonly get -en ending in definite plural, thus looking like a definite singular en-word. It's a mess, but that's the way it is.
The child is sleeping would be "barnet sover".
One isn't man