[QUOTE=Bilal Hassan;541229]1:

2: Can/could for future ability may remain unchanged or can be reported by would be able to.

He said, "I can deliver the package tomorrow." Direct speech
He said that he would be able to/ could deliver the package tomorrow. Indirect speech

dear sir here you said that for future ability may remain unchanged and in eg: u used could will not that be can as per ur aforementioned rule?plz reply soon. i m very confused here.