Learn Swedish: Väva gör hon snabbt, men spinna gör hon mycket långsamt. - Weaving she does quickly, but spinning she does very slowly.

In Swedish, the finite (tensed) verb must come second in a main clause because of the V2 rule. When you move an action like väva (to weave) to the very front for emphasis, you still need a working verb in the second spot. Swedish uses göra (to do) as a placeholder verb here, making it Väva gör hon... which literally means 'Weaving does she...'.

Why are väva and spinna in their infinitive forms rather than the present tense?

Because the placeholder verb gör is already carrying the present tense for the clause. When you use this structure, the fronted verbs (väva and spinna) act as the topics of the sentence rather than the active verbs, so they must remain in their base infinitive form.

What feeling or meaning is added by fronting the verbs instead of saying Hon väver snabbt, men hon spinner mycket långsamt?

Fronting the verbs creates a strong contrastive emphasis. By putting the actions first, the speaker is directly comparing the two skills, instantly highlighting the stark difference between her weaving and her spinning.

Why do the words snabbt and långsamt end with a -t?