Danish nouns have 2 genders : common and neuter.

Indefinite articles:
en = a, an, one
et = a, an, one (neuter gender)

Nouns :
en man = man
en dag = day
et år = year

Pronouns:
jeg = I
han = he
hun = she
den = it
det = it
vi = we
de = they
du = you
I = you (all)
som = who, which, that
sig = oneself, himself, herself (very frequent with verbs)
hvad = what

Possessive pronoun:
sin = his, her, its

Definite articles stand before an adjective, in other situations the article becomes a noun ending.
den = the (when the noun has the common gender)
det = the (before an adjective, when the noun is neuter)
de = the (before a plural noun)

Adverbs:
der = there
ikke = not
så = so
her = here
også = also
nu = now
da = then
meget = very

Prepositions :
i = in
til = to
på = on, at
af = of, from
for = for
med = with
om = about, around
fra = from
vid = at, beside
over = over
hvor = before, in front of
efter = after

Conjunctions:
og = and
men = but
eller = or
at = that
som = as, like

Particles:
at = to (before an infinitive)

Verb forms:
at være = to be : er = am, is, are ; var = was, were
at have = to have : har = have, has ; havde = had
at blive = to become, to be (in passive voice) : bliver ; blev = became, was, were
at kunne : kan = can ; kunde = could
at ville : vil = will ; ville = would
at skulle : skal = should, must ; skulle = should
att sige = to say : siger ; sagde (said)
att komme = to come : kommer ; kom (came)