must reign
Verbo regular: reign - reigned- reigned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must reign
you must reign
he must reign
we must reign
you must reign
they must reign 	I must be reigning
you must be reigning
he must be reigning
we must be reigning
you must be reigning
they must be reigning	I must have reigned
you must have reigned
he must have reigned
we must have reigned
you must have reigned
they must have reigned	I must have been reigning
you must have been reigning
he must have been reigning
we must have been reigning
you must have been reigning
they must have been reigning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not reign
you must not reign
he must not reign
we must not reign
you must not reign
they must not reign 	I must not be reigning
you must not be reigning
he must not be reigning
we must not be reigning
you must not be reigning
they must not be reigning	I must not have reigned
you must not have reigned
he must not have reigned
we must not have reigned
you must not have reigned
they must not have reigned	I must not have been reigning
you must not have been reigning
he must not have been reigning
we must not have been reigning
you must not have been reigning
they must not have been reigning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I reign?
must you reign?
must he reign?
must we reign?
must you reign?
must they reign? 	must I be reigning?
must you be reigning?
must he be reigning?
must we be reigning?
must you be reigning?
must they be reigning? 	must I have reigned?
must you have reigned?
must he have reigned?
must we have reigned?
must you have reigned?
must they have reigned? 	must I have been reigning?
must you have been reigning?
must he have been reigning?
must we have been reigning?
must you have been reigning?
must they have been reigning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not reign?
must you not reign?
must he not reign?
must we not reign?
must you not reign?
must they not reign? 	must I not be reigning?
must you not be reigning?
must he not be reigning?
must we not be reigning?
must you not be reigning?
must they not be reigning? 	must I not have reigned?
must you not have reigned?
must he not have reigned?
must we not have reigned?
must you not have reigned?
must they not have reigned? 	must I not have been reigning?
must you not have been reigning?
must he not have been reigning?
must we not have been reigning?
must you not have been reigning?
must they not have been reigning?