Present participle; Past participle - counteracting - counteracted Present - counteract - counteract - counteracts - counteract - counteract - counteract Past - counteracted - counteracted - counteracted - counteracted - counteracted - counteracted Future - will counteract - will counteract - will counteract - will counteract - will counteract - will counteract Present conditional - would counteract - would counteract - would counteract - would counteract - would counteract - would counteract Present Perfect - have counteracted - have counteracted - has counteracted - have counteracted - have counteracted - have counteracted Past Perfect - had counteracted - had counteracted - had counteracted - had counteracted - had counteracted - had counteracted Future Perfect - will have counteracted - will have counteracted - will have counteracted - will have counteracted - will have counteracted - will have counteracted Past conditional - would have counteracted - would have counteracted - would have counteracted - would have counteracted - would have counteracted - would have counteracted Imperative - - - counteract - - - - - - - -