Past Continuous Tense into Past Perfect Continuous Tense
Direct speech: We were living in London.
Reported speech: They said that they had been living in London.

Past Perfect Tense (The tense remains unchanged)
Direct speech: The bread had gone stale.
Reported speech: She said the bread had gone stale.

Future Simple Tense (e.g. will) into “would“
Direct speech: I will finish my report in two days.
Reported speech: He said that he would finish his report in two days.

Future Progressive Tense (e.g. will be) into “would be“
Direct speech: I will be making tea.
Reported speech: He said (that) he would be making tea.