must regulate
Verbo regular: regulate - regulated- regulated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must regulate
you must regulate
he must regulate
we must regulate
you must regulate
they must regulate 	I must be regulating
you must be regulating
he must be regulating
we must be regulating
you must be regulating
they must be regulating	I must have regulated
you must have regulated
he must have regulated
we must have regulated
you must have regulated
they must have regulated	I must have been regulating
you must have been regulating
he must have been regulating
we must have been regulating
you must have been regulating
they must have been regulating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't regulate
you mustn't regulate
he mustn't regulate
we mustn't regulate
you mustn't regulate
they mustn't regulate 	I mustn't be regulating
you mustn't be regulating
he mustn't be regulating
we mustn't be regulating
you mustn't be regulating
they mustn't be regulating	I mustn't have regulated
you mustn't have regulated
he mustn't have regulated
we mustn't have regulated
you mustn't have regulated
they mustn't have regulated	I mustn't have been regulating
you mustn't have been regulating
he mustn't have been regulating
we mustn't have been regulating
you mustn't have been regulating
they mustn't have been regulating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I regulate?
must you regulate?
must he regulate?
must we regulate?
must you regulate?
must they regulate? 	must I be regulating?
must you be regulating?
must he be regulating?
must we be regulating?
must you be regulating?
must they be regulating? 	must I have regulated?
must you have regulated?
must he have regulated?
must we have regulated?
must you have regulated?
must they have regulated? 	must I have been regulating?
must you have been regulating?
must he have been regulating?
must we have been regulating?
must you have been regulating?
must they have been regulating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I regulate?
mustn't you regulate?
mustn't he regulate?
mustn't we regulate?
mustn't you regulate?
mustn't they regulate? 	mustn't I be regulating?
mustn't you be regulating?
mustn't he be regulating?
mustn't we be regulating?
mustn't you be regulating?
mustn't they be regulating? 	mustn't I have regulated?
mustn't you have regulated?
mustn't he have regulated?
mustn't we have regulated?
mustn't you have regulated?
mustn't they have regulated? 	mustn't I have been regulating?
mustn't you have been regulating?
mustn't he have been regulating?
mustn't we have been regulating?
mustn't you have been regulating?
mustn't they have been regulating?