What's the difference between 'sola' and 'solus'?
Solus is masculine, sola is feminine
"Marcus non solus habitat" is also correct.
As is "Non solus habitat Marcus".
It still didn't accept "Marcus non solus habitat" as of September 4. I've reported it. Hopefully it'll be changed soon!
"Marcus non solus habitat" is accepted. (Oct 21)
Why does solus have to come first?
I wrote "Marcus non habitat solus" like in Italian (Marco non abita solo) and it is correct (november 5, 2019)
"Marca non solus habitat" is not accepted , 6th March 2020
Possibly because 'non' negates 'habitat' and not 'solus'. Best to keep 'non' together with its verb.
Did you copy the answer you gave, or did you only type 'Marca' here? Because I wouldn't expect any word order to be accepted with 'Marca' instead of 'Marcus'...?
Is solus an adverb here? I'd expect something like sole.
Could you also say Marcus non sole habitat with adverb sole?
Marcus habitat solus non is incorrect
I dont understand why most of the Latin uses of Marcus are pronounced as Marce but Marce was flagged incorrect in this question.
Because the sentence is talking about Marcus (Marcus is the subject so the nominative case is used -- which is "Marcus"). By contrast, if Marcus was being addressed one would use the vocative case -- which is "Marce".