must stage
Verbo regular: stage - staged- staged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must stage
you must stage
he must stage
we must stage
you must stage
they must stage 	I must be staging
you must be staging
he must be staging
we must be staging
you must be staging
they must be staging	I must have staged
you must have staged
he must have staged
we must have staged
you must have staged
they must have staged	I must have been staging
you must have been staging
he must have been staging
we must have been staging
you must have been staging
they must have been staging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not stage
you must not stage
he must not stage
we must not stage
you must not stage
they must not stage 	I must not be staging
you must not be staging
he must not be staging
we must not be staging
you must not be staging
they must not be staging	I must not have staged
you must not have staged
he must not have staged
we must not have staged
you must not have staged
they must not have staged	I must not have been staging
you must not have been staging
he must not have been staging
we must not have been staging
you must not have been staging
they must not have been staging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I stage?
must you stage?
must he stage?
must we stage?
must you stage?
must they stage? 	must I be staging?
must you be staging?
must he be staging?
must we be staging?
must you be staging?
must they be staging? 	must I have staged?
must you have staged?
must he have staged?
must we have staged?
must you have staged?
must they have staged? 	must I have been staging?
must you have been staging?
must he have been staging?
must we have been staging?
must you have been staging?
must they have been staging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not stage?
must you not stage?
must he not stage?
must we not stage?
must you not stage?
must they not stage? 	must I not be staging?
must you not be staging?
must he not be staging?
must we not be staging?
must you not be staging?
must they not be staging? 	must I not have staged?
must you not have staged?
must he not have staged?
must we not have staged?
must you not have staged?
must they not have staged? 	must I not have been staging?
must you not have been staging?
must he not have been staging?
must we not have been staging?
must you not have been staging?
must they not have been staging?