1. My friend said (that) they had moved into their new flat
2. The teacher said (that) Tokyo was a densely populated city
3. He said (that) his parents had already seen that film
4. He told me that he knew exactly what she had done the day before
5. He said (that) his sister was working then
6. Tony said (that) he would help me with those exercises the next day
7. She told me that she 
8. She said (that) she had been waiting for the bus when he had arrived
9. They said (that) they had to see those movies that night
10. My father told Ben (that) he was sure he had seen him there the week before 
=>
Present Perfect -> Past Perfect
Present Simple -> Past Simple
Present Continuous -> Past Continuous
will -> would
must -> had to
Past Simple -> Past Perfect
Past Continuous -> Past Perfect Continuous