Between independent clauses linked with a transitional phrase or a conjunctive adverb: Everyone knows he is guilty of committing the crime; of course, it will

Between independent clauses linked with a transitional phrase or a conjunctive adverb: Everyone knows he is guilty of committing the crime; of course, it will never be proven. ... This is the least common use, and is mostly confined to academic texts. In your example, "then" is the conjunctive adverb. Edit: By the way, I love having grammar discussions on the internet. Let's make a grammar discussion club, so we can really go at it, and maybe try and keep the grammatic national socialism out of hackernews.