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