Present participle; Past participle - diffusing - diffused Present - diffuse - diffuse - diffuses - diffuse - diffuse - diffuse Past - diffused - diffused - diffused - diffused - diffused - diffused Future - will diffuse - will diffuse - will diffuse - will diffuse - will diffuse - will diffuse Present conditional - would diffuse - would diffuse - would diffuse - would diffuse - would diffuse - would diffuse Present Perfect - have diffused - have diffused - has diffused - have diffused - have diffused - have diffused Past Perfect - had diffused - had diffused - had diffused - had diffused - had diffused - had diffused Future Perfect - will have diffused - will have diffused - will have diffused - will have diffused - will have diffused - will have diffused Past conditional - would have diffused - would have diffused - would have diffused - would have diffused - would have diffused - would have diffused Imperative - - - diffuse - - - - - - - -