1. "If you wanted to stay alive, you shouldn't have read this."<br/><br/>2. "If you wanted to stay alive, you shouldn't read this."<br/><br/>3. "If you want to stay alive, you shouldn't read this."<br/><br/>4 ."If you want to stay alive, you shouldn't have read this."<br/><br/>5 ."If you had wanted to stay alive, you shouldn't have read this."<br/><br/>6 ."If you had wanted to stay alive, you shouldn't read this."<br/><br/>Can you please tell me which of these sentences are correct?