In the singular there are two forms: indefinite and definite.
In the indefinite form the noun is unknown.
En dreng larmer altid.
A boy is always noisy.
Et hus bliver repareret.
A house is being repaired.
In the definite form the noun is known.
Drengen larmer altid.
The boy is always noisy.
Huset bliver repareret.
The house is being repaired.
With n-words in the definite form, the ending is -en.
If, on the other hand, the word ends with -e, the ending is only -n.
With t-words in the definite form, the ending is -et.
If, on the other hand, the word ends with -e, the ending is only -t.
Nouns in the singular
Indefinite
Definite
en avis
avisen
en have
haven
et hus
huset
et værelse
værelset
Comparison:
In English there is also a definite and an indefinite form. The definite form of the noun is formed with the article the, and not as in Danish with an ending added to the noun.
a man the man
an apple the apple
2 Navneord
2.2 Navneord i ental
I ental er der to former: ubestemt og bestemt.
I ubestemt form er navneordet ubekendt.
En dreng larmer altid.
Et hus bliver repareret.
I bestemt form er navneordet kendt.
Drengen larmer altid.
Huset bliver repareret.
Ved n-ord i bestemt form er endelsen -en.
Hvis ordet derimod ender på -e, er endelsen kun -n.
Ved t-ord i bestemt form er endelsen -et.
Hvis ordet derimod ender på -e, er endelsen kun -t.