Present participle; Past participle - interesting - interested Present - interest - interest - interests - interest - interest - interest Past - interested - interested - interested - interested - interested - interested Future - will interest - will interest - will interest - will interest - will interest - will interest Present conditional - would interest - would interest - would interest - would interest - would interest - would interest Present Perfect - have interested - have interested - has interested - have interested - have interested - have interested Past Perfect - had interested - had interested - had interested - had interested - had interested - had interested Future Perfect - will have interested - will have interested - will have interested - will have interested - will have interested - will have interested Past conditional - would have interested - would have interested - would have interested - would have interested - would have interested - would have interested Imperative - - - interest - - - - - - - -