Past tense is were something has already happened...
What Does Past Tense Mean?
Past tense is a verb tense that denotes actions or states in the past. It refers to some event or action that happened in a former time. It is one of the most common tenses in English. Its form remains the same with all subjects and is usually formed by adding –"ed" to the verb. But there are some verbs in past tense that do not end with "ed" and they are known as irregular verbs.
Thus there are two distinct types of past tense in the English language. They are the Present perfect and Preterite or simple past. Simple past are the verbs formed with "ed" and is used to denote acts whose exact time of occurrence is known. It is mostly used in story telling. The others forms of this verb include Past progressive, Present perfect simple, Present perfect progressive, Past perfect simple and Past perfect progressive.
Thus there are two distinct types of past tense in the English language. They are the Present perfect and Preterite or simple past. Simple past are the verbs formed with "ed" and is used to denote acts whose exact time of occurrence is known. It is mostly used in story telling. The others forms of this verb include Past progressive, Present perfect simple, Present perfect progressive, Past perfect simple and Past perfect progressive.
Meant
It means somethings have happened in the past and we describe its happening actions with the verbs which we use in the past tense