Breakdown of Ég mótmæli sumum sjónarmiðum.
ég
I
sumur
some (sumir, sumar, sum)
mótmæla
to object to
sjónarmiðið
the viewpoint
Questions & Answers about Ég mótmæli sumum sjónarmiðum.
Why are the words sumum sjónarmiðum in the dative case here?
Because of the verb mótmæla (to object to). In Icelandic, this verb forces the object that follows it to take the dative case.
How does the word for "some" change in this sentence?
The base form is sumur. Because it describes the dative plural noun sjónarmiðum, it must also be in the dative plural. For all genders, the dative plural ending for sumur is -um, making it sumum.
Why is there no preposition for "to" in the Icelandic sentence?
In English, we say "object to", but the Icelandic verb mótmæla has that meaning built in. You don't need a separate preposition; the dative case on sumum sjónarmiðum does the job of linking the object to the verb.
What is the base noun for sjónarmiðum, and what gender is it?
The base word is sjónarmið (viewpoint), which is a neuter noun. Notice how both the pronoun sumum and the noun sjónarmiðum end in -um. This is the standard dative plural ending for almost all nouns and pronouns, regardless of their gender.