Writers often use complex sentences when they are setting the scene of the story at the beginning, or when introducing characters. ... Complex sentences are longer. They use fronted adverbials, embedded clauses, subordinating conjunctions etc, to make the sentences longer and more interesting.

Which words make a complex sentence?

Complex sentences are often formed by putting these words at the beginning of the dependent clause: as, as if, before, after, because, though, even though, while, when, whenever, if, during, as soon as, as long as, since, until, unless, where, and wherever. These words are called subordinating conjunctions.

Are fronted adverbials wrong?

Fronted adverbials don't have to do what adverbs do grammatically!!! ... It's 'correct' in so far as that's the way fronted adverbials are being taught in primary schools. However, after a few hours combing grammar pages, I see that most of us are getting the term wrong in some respects.