YOU SAID:

He may make a will, so that we may know what he has made

INTO JAPANESE

彼は意志を作るかもしれない、私たちは彼が何を作ったかを知っているかもしれない

BACK INTO ENGLISH

He might make a will, we might know what he made

INTO JAPANESE

彼は意志を作るかもしれない、私たちは彼が何を作ったか知っているかもしれない

BACK INTO ENGLISH

He might make a will, we might know what he made