*** Correction *** On 2015-10-08 10:03 PM, R.Smith wrote: > > To clarify, when used as an adverb to modify a verb, you may well add > the s - such as saying "I'm moving backwards" or "It's a forwards > marching army."//...
"Marching" is of course an adverb here, not a verb. A more correct example would be: "He's forwards marching".
