Present participle; Past participle - performing - performed Present - perform - perform - performs - perform - perform - perform Past - performed - performed - performed - performed - performed - performed Future - will perform - will perform - will perform - will perform - will perform - will perform Present conditional - would perform - would perform - would perform - would perform - would perform - would perform Present Perfect - have performed - have performed - has performed - have performed - have performed - have performed Past Perfect - had performed - had performed - had performed - had performed - had performed - had performed Future Perfect - will have performed - will have performed - will have performed - will have performed - will have performed - will have performed Past conditional - would have performed - would have performed - would have performed - would have performed - would have performed - would have performed Imperative - - - perform - - - - - - - -