Questions & Answers about Strákurinn hlær svo mikið að hann talar ekki.
The ending -inn is the definite article in Icelandic. Instead of a separate word like English the, Icelandic usually attaches a suffix to the noun.
- strákur = boy
- strákurinn = the boy
So Strákurinn hlær… literally means “The boy laughs…”
The form strákurinn is nominative singular masculine definite.
In Icelandic, the subject of a normal active sentence is in the nominative case.
In this sentence:
Because the boy is the one performing the actions, Strákurinn must be nominative, not accusative or dative.