English verb conjugation
COULD COUNTERACT

Regular verb: counteract - counteracted - counteracted

Affirmation

Simple form	V-ing form
I could counteract you could counteract he could counteract we could counteract you could counteract they could counteract	I could be counteracting you could be counteracting he could be counteracting we could be counteracting you could be counteracting they could be counteracting
Perfect	V-ing perfect
I could have counteracted you could have counteracted he could have counteracted we could have counteracted you could have counteracted they could have counteracted	I could have been counteracting you could have been counteracting he could have been counteracting we could have been counteracting you could have been counteracting they could have been counteracting

Negation

Simple form	V-ing form
I could not counteract you could not counteract he could not counteract we could not counteract you could not counteract they could not counteract	I could not be counteracting you could not be counteracting he could not be counteracting we could not be counteracting you could not be counteracting they could not be counteracting
Perfect	V-ing perfect
I could not have counteracted you could not have counteracted he could not have counteracted we could not have counteracted you could not have counteracted they could not have counteracted	I could not have been counteracting you could not have been counteracting he could not have been counteracting we could not have been counteracting you could not have been counteracting they could not have been counteracting

Interrogative form

Simple form	V-ing form
could I counteract? could you counteract? could he counteract? could we counteract? could you counteract? could they counteract?	could I be counteracting? could you be counteracting? could he be counteracting? could we be counteracting? could you be counteracting? could they be counteracting?
Perfect	V-ing perfect
could I have counteracted? could you have counteracted? could he have counteracted? could we have counteracted? could you have counteracted? could they have counteracted?	could I have been counteracting? could you have been counteracting? could he have been counteracting? could we have been counteracting? could you have been counteracting? could they have been counteracting?

Interro-negative form

Simple form	V-ing form
could I not counteract? could you not counteract? could he not counteract? could we not counteract? could you not counteract? could they not counteract?	could I not be counteracting? could you not be counteracting? could he not be counteracting? could we not be counteracting? could you not be counteracting? could they not be counteracting?
Perfect	V-ing perfect
could I not have counteracted? could you not have counteracted? could he not have counteracted? could we not have counteracted? could you not have counteracted? could they not have counteracted?	could I not have been counteracting? could you not have been counteracting? could he not have been counteracting? could we not have been counteracting? could you not have been counteracting? could they not have been counteracting?