A preposition is a word that tells you where or when something is in relation to something else. Examples of prepositions include words like 'after', 'before', 'on', 'under', 'inside' and 'outside'.

It’s a great story, but it’s a myth. And so is that so-called grammar rule about ending sentences with prepositions. If that previous sentence bugs you, by the way, you’ve bought into ...