Hvorfor 'gjør' og ikke 'gjøre'?
It is å gjøre that is an infinitive form of presens' gjør.
Couldn't it be "Hva lager de"?
That would be "What are they making?"
why de not dere
De = they
dere = you (plural)
Why is it de and not det?
De = They. Det = it/that...