Present participle; Past participle - perishing - perished Present - perish - perish - perishes - perish - perish - perish Past - perished - perished - perished - perished - perished - perished Future - will perish - will perish - will perish - will perish - will perish - will perish Present conditional - would perish - would perish - would perish - would perish - would perish - would perish Present Perfect - have perished - have perished - has perished - have perished - have perished - have perished Past Perfect - had perished - had perished - had perished - had perished - had perished - had perished Future Perfect - will have perished - will have perished - will have perished - will have perished - will have perished - will have perished Past conditional - would have perished - would have perished - would have perished - would have perished - would have perished - would have perished Imperative - - - perish - - - - - - - -