Change into reported speech. he said, "when he left they were still working." "she has been reading since i came home." "you speak as if you had witnessed the event." "you can have a rest if you are tired." "he may not enter the room if you are not allowed to." "the sun rises in the east." "great britain is a monarchy."

He said that when he had left they had been still working.

    He said that she had been reading since he had come home.

He said that I spoke as if I had witnessed the event.

He said that I could have a rest if  I was tired.

He said that he might not enter the room if I was not allowed to.

He said that the sun rose in the east.

He said that Great Britain was a monarchy.