Oh is an interjection, a word used to express a strong emotion. Interestingly, this particular interjection can be used in a lot of different situations for several reasons. Let's see how and when we can use it correctly.
An interjection is a word that is used to show a short sudden expression of emotion. In this post, we'll look at 20 common English interjections, and you'll have a chance to practice them doing an exercise.