“Proper” English is full of stumbling blocks, and chief among them is the sentence that ends in a preposition. For example, this question: Are sentences that end in prepositions really something to be ...

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'.

WEST LAFAYETTE, Ind. – Parts of the human brain think about the same word differently, at least when it comes to prepositions, according to new language research in stroke patients conducted by ...