The data are incomplete. There are apparently no obligatory TAM markers. There are a few instances of a postverbal temporal adverb. Expressions involving words like 'day' and 'summer' tend to be sentence-initial.
Source: Stefánsson 1909: 224
Source: Stefánsson 1909: 231
Source: Stefánsson 1909: 229
Source: Stefánsson 1909: 229