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'.

Learn the most common preposition errors English learners make! Improve your English grammar and speak like a native.

Late last month, Merriam-Webster shared the news on Instagram that it’s OK to end a sentence with a preposition. Hats off to them, sincerely. But it is hard to convey how bizarre, to an almost comical ...