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'.

Australia is an island country, which means that it is surrounded by water. The coastline of Australia is over 30,000 kilometres long. In this lesson, you will test your understanding of prepositions ...

In each item below, the sentence contains a highlighted conjunction expressing a time relationship, followed by a preposition in parentheses. In the blank box under each item, rewrite the sentence ...

Let's start with the dull stuff, because pragmatism. You probably know it better, however, as explanation by way of Internet—explanation that maximizes efficiency and irony in equal measure. I'm late ...