False adverbs are prepositions or adjectives which are also used as adverbs.
As a preposition:
Der står indgang på døren.
It says entry on the door.
As an adverb:
Jeg ringede på.
I rang the bell.
Some adverbs are also adjectives. This type of adverb describes the way in which something happens. They are also called adverbs of manner. Adverbs which describe the way in which something happens, always end in -t.
Han smilede venligt.
He smiled kindly.
Han udtrykte sig meget personligt.
He expressed himself very personally.
Bilen kørte hurtigt.
The car travelled rapidly.
Comparison:
In English an adjective can also be used as an adverb. When the word serves as an adverb of manner -ly is added.
5 Biord
5.2 Uægte biord
Uægte biord er forholdsord eller tillægsord, der også bruges som biord.
Som forholdsord:
Der står indgang på døren.
Som biord:
Jeg ringede på.
Nogle biord er også tillægsord. Denne type biord beskriver, hvordan noget sker. De kaldes også mådesbiord. Biord, som beskriver den måde noget sker på, ender altid på -t.