Back shifting - tenses
I get to school at 8 o'clock.
She said she got to school at 8 o'clock.
Present Simple → Past Simple
He is telling a lie
She said that he was telling a lie
Present Continuous → Past Continuous
He has told a lie
She said that he had told a lie
Present Perfect → Past Perfect
He told a lie
She said that he had told a lie
Past Simple → Past Perfect
He was telling a lie
She said that he had been telling a lie
Past Continuous → Past Perfect Continuous
He had told a lie
She said that he had told a lie
Past perfect → Past Perfect