Here are some things kids needs to know to figure out when to use the capital letters and when to use the small ones. Okay, so the very first thing a child needs to know is that the first letter of every proper noun is always capital. Now what is a proper noun, one may ask. A proper noun is the name of a place, girl, boy, food etc. In short, anything which has a specific name is a proper noun. So، make sure that whenever you write a proper noun write it in capital letter. For example, New York, December, Lily etc.Other than this, whenever you complete a sentence and put a full stop in the end, the first letter of the first word in the sentence is always capital. These are a few things kids need to know about when to use capital letters in English. For more information stay connected.