Breakdown of Sökudólgurinn hlýtur að hafa flúið í gegnum gluggann.
glugginn
the window
að
to (infinitive marker)
hafa
to have
flýja
to flee
hljóta
to must
í gegnum
through (+ Accusative)
sökudólgurinn
the culprit
Questions & Answers about Sökudólgurinn hlýtur að hafa flúið í gegnum gluggann.
Why do we use hlýtur here instead of verður to mean "must"?
While verða means "must" in the sense of obligation (someone has to do something), hljóta is used for logical deduction (something must be true based on the evidence). Here, the speaker is making a deduction about what the culprit did, so we use hljóta.
How is the past tense "must have fled" constructed in this sentence?
We use the present tense of the modal verb hljóta (hlýtur) followed by the perfect infinitive: að hafa plus the supine (neuter past participle) of the main verb (flúið). This matches the English structure "must have [done something]".
What verb does flúið come from, and why does it look so different from the infinitive?
It is the supine form of flýja (to flee). Flýja is a tricky verb because its stem vowel changes in the supine. While the past tense is flýði, the supine (used after hafa) becomes flúið.
Does í gegnum always take the accusative case, as seen with gluggann?
Yes, the compound preposition í gegnum (through) always governs the accusative case. Since gluggi (window) is a masculine word, its accusative form with the definite article is gluggann.
How is the word sökudólgurinn built?
It is a compound of sök (guilt, blame, or charge) and dólgur (a thug, boor, or hostile person). Combined with the masculine definite article -inn, it literally translates to "the guilt-thug," which is the standard Icelandic word for "the culprit."
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