Reported speech

He said, "I must have read it."
->He said he must have read it.

He said, "I'll read it."
->He said he would read it.

He said, "I may read it."
->He said he might read it.

John said,"I can read it,"
->John said he could read it.

Tom said,"I must read it."
->Tom said he had to read it.

Tim said,"I read it"
->Tim said he had read it.