We are very much proud of our freedom fighters. (a) They fought for the country with a patriotic zeal (Make it compound). (b) They are the most courageous sons of our nation Make it positive). (c) Everybody admires and respects them greatly (Make it passive). (d) Nobody denies their contribution to their motherland (Make it interrogative). (e) They will never be forgotten by their countrymen to the end (Make it affirmative).