The prepositions 'in', 'on' and 'at' can be useful when we're talking about time and location. Read on to learn more about when to use them. We use ‘at’ when we’re talking about a very specific period ...

Prepositions… people hate them because sometimes they have multiple meanings and uses, and sometimes there's no direct translation in your first language! So how are we supposed to learn them?!

Why are they so difficult? Often they aren't easy to translate, but even when there's a translation, it doesn't always apply, because English prepositions have lots of meanings and uses.

NPR's Ari Shapiro speaks with John McWhorter, Columbia University linguist and New York Times columnist about the recent Merriam-Webster declaration that English sentences may end with prepositions.