Present participle; Past participle - effervescing - effervesced Present - effervesce - effervesce - effervesces - effervesce - effervesce - effervesce Past - effervesced - effervesced - effervesced - effervesced - effervesced - effervesced Future - will effervesce - will effervesce - will effervesce - will effervesce - will effervesce - will effervesce Present conditional - would effervesce - would effervesce - would effervesce - would effervesce - would effervesce - would effervesce Present Perfect - have effervesced - have effervesced - has effervesced - have effervesced - have effervesced - have effervesced Past Perfect - had effervesced - had effervesced - had effervesced - had effervesced - had effervesced - had effervesced Future Perfect - will have effervesced - will have effervesced - will have effervesced - will have effervesced - will have effervesced - will have effervesced Past conditional - would have effervesced - would have effervesced - would have effervesced - would have effervesced - would have effervesced - would have effervesced Imperative - - - effervesce - - - - - - - -