Present participle; Past participle - acidifying - acidified Present - acidify - acidify - acidifies - acidify - acidify - acidify Past - acidified - acidified - acidified - acidified - acidified - acidified Future - will acidify - will acidify - will acidify - will acidify - will acidify - will acidify Present conditional - would acidify - would acidify - would acidify - would acidify - would acidify - would acidify Present Perfect - have acidified - have acidified - has acidified - have acidified - have acidified - have acidified Past Perfect - had acidified - had acidified - had acidified - had acidified - had acidified - had acidified Future Perfect - will have acidified - will have acidified - will have acidified - will have acidified - will have acidified - will have acidified Past conditional - would have acidified - would have acidified - would have acidified - would have acidified - would have acidified - would have acidified Imperative - - - acidify - - - - - - - -