Final answer:
In English, verb tenses are used to indicate whether something is happening currently or has happened already.
Step-by-step explanation:
In English, the form of the verb changes to indicate whether something is happening currently or has happened already. These changes are called verb tenses. The present tense is used when something is happening now or regularly, and the past tense is used when something occurred in the past and no longer happens.
Learn more about Verb tenses