English verb conjugation
CAN COUNTERACT

Regular verb: counteract - counteracted - counteracted

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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