Conjugación del verbo inglés
MUST COUNTERACT

Verbo regular: counteract - counteracted - counteracted

Afirmación

Forma simple	Forma con V-ing
I must counteract you must counteract he must counteract we must counteract you must counteract they must counteract	I must be counteracting you must be counteracting he must be counteracting we must be counteracting you must be counteracting they must be counteracting
Perfecto	Perfecto con V-ing
I must have counteracted you must have counteracted he must have counteracted we must have counteracted you must have counteracted they must have counteracted	I must have been counteracting you must have been counteracting he must have been counteracting we must have been counteracting you must have been counteracting they must have been counteracting

Negación

Forma simple	Forma con V-ing
I must not counteract you must not counteract he must not counteract we must not counteract you must not counteract they must not counteract	I must not be counteracting you must not be counteracting he must not be counteracting we must not be counteracting you must not be counteracting they must not be counteracting
Perfecto	Perfecto con V-ing
I must not have counteracted you must not have counteracted he must not have counteracted we must not have counteracted you must not have counteracted they must not have counteracted	I must not have been counteracting you must not have been counteracting he must not have been counteracting we must not have been counteracting you must not have been counteracting they must not have been counteracting

Forma interrogativa

Forma simple	Forma con V-ing
must I counteract? must you counteract? must he counteract? must we counteract? must you counteract? must they counteract?	must I be counteracting? must you be counteracting? must he be counteracting? must we be counteracting? must you be counteracting? must they be counteracting?
Perfecto	Perfecto con V-ing
must I have counteracted? must you have counteracted? must he have counteracted? must we have counteracted? must you have counteracted? must they have counteracted?	must I have been counteracting? must you have been counteracting? must he have been counteracting? must we have been counteracting? must you have been counteracting? must they have been counteracting?

Forma interro-negativa

Forma simple	Forma con V-ing
must I not counteract? must you not counteract? must he not counteract? must we not counteract? must you not counteract? must they not counteract?	must I not be counteracting? must you not be counteracting? must he not be counteracting? must we not be counteracting? must you not be counteracting? must they not be counteracting?
Perfecto	Perfecto con V-ing
must I not have counteracted? must you not have counteracted? must he not have counteracted? must we not have counteracted? must you not have counteracted? must they not have counteracted?	must I not have been counteracting? must you not have been counteracting? must he not have been counteracting? must we not have been counteracting? must you not have been counteracting? must they not have been counteracting?