"Eats" versus is "eating"....The same problem with me and it's driving me spare. I cannot accept that choosing one of the options might or might not be "wrong" when either would be ok here. It doesn't help to check the notes-- it's sometimes the top option & sometimes not. I am resigned to the feeling that it's Duolingo's way of deleting your healths and so pushing you to earn it back by practising!
There is no recent standardization. "Fisker" is the present tense of the verb "at fiske" - to fish. If a someone is claiming that "fisker" is the definite singular they are either pulling a prank, are misguided or are not Danes..
En fisk - one fish (indefinite singular)
To fisk - two fish (indefinite plural)
Fisken - the fish (definite singular)
Fiskene - the fish (definite plural)
Is this right? The resources I'm finding call 'fisk' an irregular noun and say that it is considered both the indefinite singular and indefinite plural form, with 'fiskene' as the definite plural form. I've seen so many people assert on duo that fisker is the indefinite plural so is the irregular form considered archaic?