The past tense of drag oneself into the twenty-first century is dragged oneself into the twenty-first century.
The third-person singular simple present indicative form of drag oneself into the twenty-first century is drags oneself into the twenty-first century.
The present participle of drag oneself into the twenty-first century is dragging oneself into the twenty-first century.
The past participle of drag oneself into the twenty-first century is dragged oneself into the twenty-first century.