Present participle; Past participle - checking - checked Present - check - check - checks - check - check - check Past - checked - checked - checked - checked - checked - checked Future - will check - will check - will check - will check - will check - will check Present conditional - would check - would check - would check - would check - would check - would check Present Perfect - have checked - have checked - has checked - have checked - have checked - have checked Past Perfect - had checked - had checked - had checked - had checked - had checked - had checked Future Perfect - will have checked - will have checked - will have checked - will have checked - will have checked - will have checked Past conditional - would have checked - would have checked - would have checked - would have checked - would have checked - would have checked Imperative - - - check - - - - - - - -