"Are you answering?"
There is only one correct answer.
Svar = answer (noun form, example: I have the answer.)
Svarar = answer (verb form, example: Are you answering?)
It can't be "Svar du?" because Svar is not the verb form, Svarar is. If "Svarar du?" had been an option it would have also been correct, but at this time only the options, "Svar du?", "Var ni?" and, "Svarar ni?" are given so there's only one correct answer: "Svarar ni?"
Ni means you (plural). Du means you (singular).
Er is the possession of ni for -en words Ex. Your cat = Er katt
Ert is the possession of ni for -et words Ex. Your child = Ert barnet
Era is possession of ni for plurals Ex. Your cats = Era katter Ex. Your children = Era barn
I typed in "Är svarar du?" and I got wrong. I don't quite understand the Är rule. Can someone explain, please?
In English, you have two present tenses: the simple present (answers) and the continuous (is answering). In Swedish though, like in many other languages, we only have one, which covers both. So svarar is the only verb you can use here.
I answered with the correct answer but it marked it incorrect and typed the same answer. Is this a glitch?