must overbalance
Verbo regular: overbalance - overbalanced- overbalanced

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must overbalance
you must overbalance
she must overbalance
we must overbalance
you must overbalance
they must overbalance 	I must be overbalancing
you must be overbalancing
she must be overbalancing
we must be overbalancing
you must be overbalancing
they must be overbalancing	I must have overbalanced
you must have overbalanced
she must have overbalanced
we must have overbalanced
you must have overbalanced
they must have overbalanced	I must have been overbalancing
you must have been overbalancing
she must have been overbalancing
we must have been overbalancing
you must have been overbalancing
they must have been overbalancing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not overbalance
you must not overbalance
she must not overbalance
we must not overbalance
you must not overbalance
they must not overbalance 	I must not be overbalancing
you must not be overbalancing
she must not be overbalancing
we must not be overbalancing
you must not be overbalancing
they must not be overbalancing	I must not have overbalanced
you must not have overbalanced
she must not have overbalanced
we must not have overbalanced
you must not have overbalanced
they must not have overbalanced	I must not have been overbalancing
you must not have been overbalancing
she must not have been overbalancing
we must not have been overbalancing
you must not have been overbalancing
they must not have been overbalancing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I overbalance?
must you overbalance?
must she overbalance?
must we overbalance?
must you overbalance?
must they overbalance? 	must I be overbalancing?
must you be overbalancing?
must she be overbalancing?
must we be overbalancing?
must you be overbalancing?
must they be overbalancing? 	must I have overbalanced?
must you have overbalanced?
must she have overbalanced?
must we have overbalanced?
must you have overbalanced?
must they have overbalanced? 	must I have been overbalancing?
must you have been overbalancing?
must she have been overbalancing?
must we have been overbalancing?
must you have been overbalancing?
must they have been overbalancing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not overbalance?
must you not overbalance?
must she not overbalance?
must we not overbalance?
must you not overbalance?
must they not overbalance? 	must I not be overbalancing?
must you not be overbalancing?
must she not be overbalancing?
must we not be overbalancing?
must you not be overbalancing?
must they not be overbalancing? 	must I not have overbalanced?
must you not have overbalanced?
must she not have overbalanced?
must we not have overbalanced?
must you not have overbalanced?
must they not have overbalanced? 	must I not have been overbalancing?
must you not have been overbalancing?
must she not have been overbalancing?
must we not have been overbalancing?
must you not have been overbalancing?
must they not have been overbalancing?