must counterbalance
Verbe régulier : counterbalance - counterbalanced- counterbalanced
Traduction française : contrebalancer - faire contrepoids à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must counterbalance
you must counterbalance
he must counterbalance
we must counterbalance
you must counterbalance
they must counterbalance 	I must be counterbalancing
you must be counterbalancing
he must be counterbalancing
we must be counterbalancing
you must be counterbalancing
they must be counterbalancing	I must have counterbalanced
you must have counterbalanced
he must have counterbalanced
we must have counterbalanced
you must have counterbalanced
they must have counterbalanced	I must have been counterbalancing
you must have been counterbalancing
he must have been counterbalancing
we must have been counterbalancing
you must have been counterbalancing
they must have been counterbalancing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not counterbalance
you must not counterbalance
he must not counterbalance
we must not counterbalance
you must not counterbalance
they must not counterbalance 	I must not be counterbalancing
you must not be counterbalancing
he must not be counterbalancing
we must not be counterbalancing
you must not be counterbalancing
they must not be counterbalancing	I must not have counterbalanced
you must not have counterbalanced
he must not have counterbalanced
we must not have counterbalanced
you must not have counterbalanced
they must not have counterbalanced	I must not have been counterbalancing
you must not have been counterbalancing
he must not have been counterbalancing
we must not have been counterbalancing
you must not have been counterbalancing
they must not have been counterbalancing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I counterbalance?
must you counterbalance?
must he counterbalance?
must we counterbalance?
must you counterbalance?
must they counterbalance? 	must I be counterbalancing?
must you be counterbalancing?
must he be counterbalancing?
must we be counterbalancing?
must you be counterbalancing?
must they be counterbalancing? 	must I have counterbalanced?
must you have counterbalanced?
must he have counterbalanced?
must we have counterbalanced?
must you have counterbalanced?
must they have counterbalanced? 	must I have been counterbalancing?
must you have been counterbalancing?
must he have been counterbalancing?
must we have been counterbalancing?
must you have been counterbalancing?
must they have been counterbalancing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not counterbalance?
must you not counterbalance?
must he not counterbalance?
must we not counterbalance?
must you not counterbalance?
must they not counterbalance? 	must I not be counterbalancing?
must you not be counterbalancing?
must he not be counterbalancing?
must we not be counterbalancing?
must you not be counterbalancing?
must they not be counterbalancing? 	must I not have counterbalanced?
must you not have counterbalanced?
must he not have counterbalanced?
must we not have counterbalanced?
must you not have counterbalanced?
must they not have counterbalanced? 	must I not have been counterbalancing?
must you not have been counterbalancing?
must he not have been counterbalancing?
must we not have been counterbalancing?
must you not have been counterbalancing?
must they not have been counterbalancing?