Ответ:
1) Fred said that he had invented a new computer program.
2) Mary said that she would help her sister
3) They told me that they had been really happy
4) She said that she lived in a big apartment.
5) He told her that he was going to the fish market
6) Betty said that she had found her passport
7) Mr. Ford said that he didn't like pork
8) Little Tim told his mother that he was sleepy
Объяснение:
В Reported speech меняется:
Present Simple➜Past Simple
Past Simple➜Past Perfect
Past Perfect➜Past Perfect
Future Simple➜Would
Present Continuous➜Past Continuous
Past Continuous➜Past Perfect Continuous
Present Perfect➜Past Perfect.
Надеюсь все перечислила.