Questions & Answers about Han hade redan lastat det tunga godset.
Why is redan placed between hade and lastat?
In a Swedish main clause, sentence adverbs like redan (already), inte (not), or ofta (often) usually go exactly here: after the first verb (hade) but before the second verb (lastat).
Why do we use det and the -a ending on tunga if godset already means "the freight"?
This is the Swedish "double definite" rule. When a definite noun has an adjective in front of it, you need the free-standing article det (because gods is an ett-word), the adjective gets an -a ending (tunga), and the noun still takes its definite suffix (godset).
Is lastat the simple past tense of "to load"?
No, lastat is the supine form. You pair it with a "have" verb like har or hade to make perfect tenses (hade lastat = had loaded). If you wanted to use the simple past tense ("he loaded"), it would be han lastade.
What is the base form of the noun godset?