Present participle; Past participle - chuckling - chuckled Present - chuckle - chuckle - chuckles - chuckle - chuckle - chuckle Past - chuckled - chuckled - chuckled - chuckled - chuckled - chuckled Future - will chuckle - will chuckle - will chuckle - will chuckle - will chuckle - will chuckle Present conditional - would chuckle - would chuckle - would chuckle - would chuckle - would chuckle - would chuckle Present Perfect - have chuckled - have chuckled - has chuckled - have chuckled - have chuckled - have chuckled Past Perfect - had chuckled - had chuckled - had chuckled - had chuckled - had chuckled - had chuckled Future Perfect - will have chuckled - will have chuckled - will have chuckled - will have chuckled - will have chuckled - will have chuckled Past conditional - would have chuckled - would have chuckled - would have chuckled - would have chuckled - would have chuckled - would have chuckled Imperative - - - chuckle - - - - - - - -