What is the difference between imperfect and perfect in Latin?
Past tense (perfect)
This kind of past tense is called a perfect tense. It is used to describe an action in the past which is completed. To describe a past action or state which is incomplete, we use an imperfect tense. This tense indicates an action which has gone on over a period time or has happened frequently.
Why are tenses called perfect?
It comes from the Latin word perfectum, which means “complete.” The most important thing to remember is the perfect tenses always refer to completed actions.