present perfect tense ile past tense

the word "perfect" in the name came from a latin root referring to the idea of completion—of being now finished—rather than to perfection in the sense of "no flaws" (although the latter sense of "perfect" actually evolved by extension from the former, because something [for example, a drawing or a piece of pottery] is finished when it no longer has any flaws). so perfect tenses were named thus because of the idea that (in some uses in some languages, at least) they referred to actions that were finished with respect to the present (for example, "i have eaten all the bread" involves a sense of finality). however, as seen above, the name is a misnomer in the sense that not all uses of present perfect constructions involve an idea of completion.