Present participle; Past participle - stupefying - stupefied Present - stupefy - stupefy - stupefies - stupefy - stupefy - stupefy Past - stupefied - stupefied - stupefied - stupefied - stupefied - stupefied Future - will stupefy - will stupefy - will stupefy - will stupefy - will stupefy - will stupefy Present conditional - would stupefy - would stupefy - would stupefy - would stupefy - would stupefy - would stupefy Present Perfect - have stupefied - have stupefied - has stupefied - have stupefied - have stupefied - have stupefied Past Perfect - had stupefied - had stupefied - had stupefied - had stupefied - had stupefied - had stupefied Future Perfect - will have stupefied - will have stupefied - will have stupefied - will have stupefied - will have stupefied - will have stupefied Past conditional - would have stupefied - would have stupefied - would have stupefied - would have stupefied - would have stupefied - would have stupefied Imperative - - - stupefy - - - - - - - -