must potter
Verbo regular: potter - pottered- pottered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must potter
you must potter
he must potter
we must potter
you must potter
they must potter 	I must be pottering
you must be pottering
he must be pottering
we must be pottering
you must be pottering
they must be pottering	I must have pottered
you must have pottered
he must have pottered
we must have pottered
you must have pottered
they must have pottered	I must have been pottering
you must have been pottering
he must have been pottering
we must have been pottering
you must have been pottering
they must have been pottering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not potter
you must not potter
he must not potter
we must not potter
you must not potter
they must not potter 	I must not be pottering
you must not be pottering
he must not be pottering
we must not be pottering
you must not be pottering
they must not be pottering	I must not have pottered
you must not have pottered
he must not have pottered
we must not have pottered
you must not have pottered
they must not have pottered	I must not have been pottering
you must not have been pottering
he must not have been pottering
we must not have been pottering
you must not have been pottering
they must not have been pottering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I potter?
must you potter?
must he potter?
must we potter?
must you potter?
must they potter? 	must I be pottering?
must you be pottering?
must he be pottering?
must we be pottering?
must you be pottering?
must they be pottering? 	must I have pottered?
must you have pottered?
must he have pottered?
must we have pottered?
must you have pottered?
must they have pottered? 	must I have been pottering?
must you have been pottering?
must he have been pottering?
must we have been pottering?
must you have been pottering?
must they have been pottering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not potter?
must you not potter?
must he not potter?
must we not potter?
must you not potter?
must they not potter? 	must I not be pottering?
must you not be pottering?
must he not be pottering?
must we not be pottering?
must you not be pottering?
must they not be pottering? 	must I not have pottered?
must you not have pottered?
must he not have pottered?
must we not have pottered?
must you not have pottered?
must they not have pottered? 	must I not have been pottering?
must you not have been pottering?
must he not have been pottering?
must we not have been pottering?
must you not have been pottering?
must they not have been pottering?