The scientist looked down at the artifact in his hand, a smug look starting to appear on his face. For all of his life he had felt deprived from what was rightfully his, and now he could do exactly what was needed. But first his fathers staff needed some modifications. He didn't care if he was described as a "<span>Avarice", he didn't care much about anything anymore. </span>As he worked his fathers best friend, James, waltzed in. "And whats all this Ruckus?" he belted his hands crossed across his chest. "Um...." the scientist started trying to think of a logical explanation, "That information can not be divulged at this time..."
<em>Past tense indicates that the action was completed in the past. On the other hand, present perfect tense indicates that the action has been completed in the present.
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<em>Present perfect is for a period of time that continues from the past until now.
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<em>Using a time tag when using present perfect is wrong.</em>
