must unbalance
Verbo regular: unbalance - unbalanced- unbalanced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must unbalance
you must unbalance
he must unbalance
we must unbalance
you must unbalance
they must unbalance 	I must be unbalancing
you must be unbalancing
he must be unbalancing
we must be unbalancing
you must be unbalancing
they must be unbalancing	I must have unbalanced
you must have unbalanced
he must have unbalanced
we must have unbalanced
you must have unbalanced
they must have unbalanced	I must have been unbalancing
you must have been unbalancing
he must have been unbalancing
we must have been unbalancing
you must have been unbalancing
they must have been unbalancing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not unbalance
you must not unbalance
he must not unbalance
we must not unbalance
you must not unbalance
they must not unbalance 	I must not be unbalancing
you must not be unbalancing
he must not be unbalancing
we must not be unbalancing
you must not be unbalancing
they must not be unbalancing	I must not have unbalanced
you must not have unbalanced
he must not have unbalanced
we must not have unbalanced
you must not have unbalanced
they must not have unbalanced	I must not have been unbalancing
you must not have been unbalancing
he must not have been unbalancing
we must not have been unbalancing
you must not have been unbalancing
they must not have been unbalancing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I unbalance?
must you unbalance?
must he unbalance?
must we unbalance?
must you unbalance?
must they unbalance? 	must I be unbalancing?
must you be unbalancing?
must he be unbalancing?
must we be unbalancing?
must you be unbalancing?
must they be unbalancing? 	must I have unbalanced?
must you have unbalanced?
must he have unbalanced?
must we have unbalanced?
must you have unbalanced?
must they have unbalanced? 	must I have been unbalancing?
must you have been unbalancing?
must he have been unbalancing?
must we have been unbalancing?
must you have been unbalancing?
must they have been unbalancing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not unbalance?
must you not unbalance?
must he not unbalance?
must we not unbalance?
must you not unbalance?
must they not unbalance? 	must I not be unbalancing?
must you not be unbalancing?
must he not be unbalancing?
must we not be unbalancing?
must you not be unbalancing?
must they not be unbalancing? 	must I not have unbalanced?
must you not have unbalanced?
must he not have unbalanced?
must we not have unbalanced?
must you not have unbalanced?
must they not have unbalanced? 	must I not have been unbalancing?
must you not have been unbalancing?
must he not have been unbalancing?
must we not have been unbalancing?
must you not have been unbalancing?
must they not have been unbalancing?