With each of these tenses, there are four aspects associated with it. Tenses can be broadly classified into three broad categories: These verbs that take up different forms to indicate the time of an action, event or condition by changing its form are called as tenses. In English grammar, verbs are often used in a way that it indicates or denotes the time when an event occurred.
Let us see how this is done in Introduction to Tenses.
When we are reading anything, how do we know if the events are happening in the past, present or the possible future? In grammar, we indicate time by modifying the verbs accordingly.