Question

He said I've finished change into indirect

Answer 1

Answer:

he told me that he had finished

Answer 2

Answer:

He said that he had finished.

Explanation:

In indirect speech, you have to express someone's information in your own words without repeating the exact words. In this scenario, you have to describe completion of something in your own words therefore certain changes (like tense and forms of verbs) may be necessary.