We all know the basic elements of writing a sentence in English: starting with a capital letter and finishing with some kind of ending punctuation appropriate to the form of the sentence, be it a statement, a question or an exclamation.

Most people have mastered the fact that each sentence should communicate one key idea, and that they can use punctuation and conjunctions to extend that idea.

However, the use of sentence fragments is a problem I notice frequently, both as a teacher and as an avid reader. They are not the sole domain of people still learning to write: a novel I read over the weekend was littered with them, which frustrated me so much I was sorely tempted not to finish it.

A sentence fragment is a little bit of a sentences that don’t make sense on its own, and really needs…