Present participle; Past participle - sniffling - sniffled Present - sniffle - sniffle - sniffles - sniffle - sniffle - sniffle Past - sniffled - sniffled - sniffled - sniffled - sniffled - sniffled Future - will sniffle - will sniffle - will sniffle - will sniffle - will sniffle - will sniffle Present conditional - would sniffle - would sniffle - would sniffle - would sniffle - would sniffle - would sniffle Present Perfect - have sniffled - have sniffled - has sniffled - have sniffled - have sniffled - have sniffled Past Perfect - had sniffled - had sniffled - had sniffled - had sniffled - had sniffled - had sniffled Future Perfect - will have sniffled - will have sniffled - will have sniffled - will have sniffled - will have sniffled - will have sniffled Past conditional - would have sniffled - would have sniffled - would have sniffled - would have sniffled - would have sniffled - would have sniffled Imperative - - - sniffle - - - - - - - -