Learn Swedish: Vi läser boken ibland. - We read the book sometimes.

Ibland means sometimes. Just like idag (today) and nu (now), it is an adverb that tells us about time. In a basic sentence, these time words often sit comfortably at the very end.

Can I move ibland to the beginning of the sentence to emphasize it?

Yes, you can start with Ibland, but you have to use the V2 rule! In Swedish, the verb must come second. If you put Ibland first, the verb läser must come right after it, swapping places with the subject vi. The new sentence becomes: Ibland läser vi boken.

As a refresher, why does the sentence use boken instead of bok?

Swedish attaches the word for the to the end of a noun. While en bok means a book, adding the -en suffix makes it boken, meaning the book.

Does läser translate to read or are reading here?

Swedish uses the same verb form for both! However, because we have the adverb ibland (sometimes) showing that this is a repeating habit, the best translation in English for this specific sentence is the simple present tense: read.