Present participle; Past participle - booming - boomed Present - boom - boom - booms - boom - boom - boom Past - boomed - boomed - boomed - boomed - boomed - boomed Future - will boom - will boom - will boom - will boom - will boom - will boom Present conditional - would boom - would boom - would boom - would boom - would boom - would boom Present Perfect - have boomed - have boomed - has boomed - have boomed - have boomed - have boomed Past Perfect - had boomed - had boomed - had boomed - had boomed - had boomed - had boomed Future Perfect - will have boomed - will have boomed - will have boomed - will have boomed - will have boomed - will have boomed Past conditional - would have boomed - would have boomed - would have boomed - would have boomed - would have boomed - would have boomed Imperative - - - boom - - - - - - - -