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 couldn't counteract you couldn't counteract he couldn't counteract we couldn't counteract you couldn't counteract they couldn't counteract	I couldn't be counteracting you couldn't be counteracting he couldn't be counteracting we couldn't be counteracting you couldn't be counteracting they couldn't be counteracting
Perfect	V-ing perfect
I couldn't have counteracted you couldn't have counteracted he couldn't have counteracted we couldn't have counteracted you couldn't have counteracted they couldn't have counteracted	I couldn't have been counteracting you couldn't have been counteracting he couldn't have been counteracting we couldn't have been counteracting you couldn't have been counteracting they couldn't 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
couldn't I counteract? couldn't you counteract? couldn't he counteract? couldn't we counteract? couldn't you counteract? couldn't they counteract?	couldn't I be counteracting? couldn't you be counteracting? couldn't he be counteracting? couldn't we be counteracting? couldn't you be counteracting? couldn't they be counteracting?
Perfect	V-ing perfect
couldn't I have counteracted? couldn't you have counteracted? couldn't he have counteracted? couldn't we have counteracted? couldn't you have counteracted? couldn't they have counteracted?	couldn't I have been counteracting? couldn't you have been counteracting? couldn't he have been counteracting? couldn't we have been counteracting? couldn't you have been counteracting? couldn't they have been counteracting?