
Let’s start by looking at how we talk about time. Here are a few rules to help you understand when to use in, on, and at in a sentence.įor describing time and place, the prepositions in, on, and at go from general to specific.


Some prepositions are rather easy for English learners to understand: behind, over, under, next to, etc…īut these little two-letter prepositions seem to create confusion. These common words are prepositions that show a relationship between two words in a sentence. When English speakers talk about time and place, there are three little words that often come up: in, on, and at.
