Present participle; Past participle - superimposing - superimposed Present - superimpose - superimpose - superimposes - superimpose - superimpose - superimpose Past - superimposed - superimposed - superimposed - superimposed - superimposed - superimposed Future - will superimpose - will superimpose - will superimpose - will superimpose - will superimpose - will superimpose Present conditional - would superimpose - would superimpose - would superimpose - would superimpose - would superimpose - would superimpose Present Perfect - have superimposed - have superimposed - has superimposed - have superimposed - have superimposed - have superimposed Past Perfect - had superimposed - had superimposed - had superimposed - had superimposed - had superimposed - had superimposed Future Perfect - will have superimposed - will have superimposed - will have superimposed - will have superimposed - will have superimposed - will have superimposed Past conditional - would have superimposed - would have superimposed - would have superimposed - would have superimposed - would have superimposed - would have superimposed Imperative - - - superimpose - - - - - - - -