Present participle; Past participle - asphyxiating - asphyxiated Present - asphyxiate - asphyxiate - asphyxiates - asphyxiate - asphyxiate - asphyxiate Past - asphyxiated - asphyxiated - asphyxiated - asphyxiated - asphyxiated - asphyxiated Future - will asphyxiate - will asphyxiate - will asphyxiate - will asphyxiate - will asphyxiate - will asphyxiate Present conditional - would asphyxiate - would asphyxiate - would asphyxiate - would asphyxiate - would asphyxiate - would asphyxiate Present Perfect - have asphyxiated - have asphyxiated - has asphyxiated - have asphyxiated - have asphyxiated - have asphyxiated Past Perfect - had asphyxiated - had asphyxiated - had asphyxiated - had asphyxiated - had asphyxiated - had asphyxiated Future Perfect - will have asphyxiated - will have asphyxiated - will have asphyxiated - will have asphyxiated - will have asphyxiated - will have asphyxiated Past conditional - would have asphyxiated - would have asphyxiated - would have asphyxiated - would have asphyxiated - would have asphyxiated - would have asphyxiated Imperative - - - asphyxiate - - - - - - - -