Mary: "He is telling a lie"                              She said that he was telling a lie  
Present continuous       →                          Past continuous
Mary: "He has told a lie                                She said that he had told a lie  
Present perfect               →                           Past perfect   
Mary: "He told a lie"                                       She said that he had told a lie  
Past simple                       →                           Past perfect  
Mary: "He was telling a lie"                        She said that he had been telling a lie  
Past continuous             →                           Past perfect continuous  
Mary: "He had told a lie"                              She said that he had told a lie  
Past perfect                     →                            Past perfect