must counteract
Verbe régulier : counteract - counteracted- counteracted
Traduction française : contrebalancer l'influence de - contrebalancer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't counteract
you mustn't counteract
he mustn't counteract
we mustn't counteract
you mustn't counteract
they mustn't counteract 	I mustn't be counteracting
you mustn't be counteracting
he mustn't be counteracting
we mustn't be counteracting
you mustn't be counteracting
they mustn't be counteracting	I mustn't have counteracted
you mustn't have counteracted
he mustn't have counteracted
we mustn't have counteracted
you mustn't have counteracted
they mustn't have counteracted	I mustn't have been counteracting
you mustn't have been counteracting
he mustn't have been counteracting
we mustn't have been counteracting
you mustn't have been counteracting
they mustn't have been counteracting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I counteract?
mustn't you counteract?
mustn't he counteract?
mustn't we counteract?
mustn't you counteract?
mustn't they counteract? 	mustn't I be counteracting?
mustn't you be counteracting?
mustn't he be counteracting?
mustn't we be counteracting?
mustn't you be counteracting?
mustn't they be counteracting? 	mustn't I have counteracted?
mustn't you have counteracted?
mustn't he have counteracted?
mustn't we have counteracted?
mustn't you have counteracted?
mustn't they have counteracted? 	mustn't I have been counteracting?
mustn't you have been counteracting?
mustn't he have been counteracting?
mustn't we have been counteracting?
mustn't you have been counteracting?
mustn't they have been counteracting?