Sentence one uses<span> the </span>simple past<span> tense. Sentence two </span>uses<span> the </span>present perfect tense<span>. “I saw the movie” and “I have seen the movie” both refer to an action that was finished in the </span>past<span>. But there is one important difference: “I saw the movie” suggests that you saw the movie at a specific time in the </span>past<span>.</span>
