The past tense of rearrange the deckchairs on the Titanic is rearranged the deckchairs on the Titanic.

The third-person singular simple present indicative form of rearrange the deckchairs on the Titanic is rearranges the deckchairs on the Titanic.

The present participle of rearrange the deckchairs on the Titanic is rearranging the deckchairs on the Titanic.

The past participle of rearrange the deckchairs on the Titanic is rearranged the deckchairs on the Titanic.