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 must not regulate
you must not regulate
he must not regulate
we must not regulate
you must not regulate
they must not regulate 	I must not be regulating
you must not be regulating
he must not be regulating
we must not be regulating
you must not be regulating
they must not be regulating	I must not have regulated
you must not have regulated
he must not have regulated
we must not have regulated
you must not have regulated
they must not have regulated	I must not have been regulating
you must not have been regulating
he must not have been regulating
we must not have been regulating
you must not have been regulating
they must not 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 	
must I not regulate?
must you not regulate?
must he not regulate?
must we not regulate?
must you not regulate?
must they not regulate? 	must I not be regulating?
must you not be regulating?
must he not be regulating?
must we not be regulating?
must you not be regulating?
must they not be regulating? 	must I not have regulated?
must you not have regulated?
must he not have regulated?
must we not have regulated?
must you not have regulated?
must they not have regulated? 	must I not have been regulating?
must you not have been regulating?
must he not have been regulating?
must we not have been regulating?
must you not have been regulating?
must they not have been regulating?