must regenerate
Verbo regular: regenerate - regenerated- regenerated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must regenerate
you must regenerate
he must regenerate
we must regenerate
you must regenerate
they must regenerate 	I must be regenerating
you must be regenerating
he must be regenerating
we must be regenerating
you must be regenerating
they must be regenerating	I must have regenerated
you must have regenerated
he must have regenerated
we must have regenerated
you must have regenerated
they must have regenerated	I must have been regenerating
you must have been regenerating
he must have been regenerating
we must have been regenerating
you must have been regenerating
they must have been regenerating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't regenerate
you mustn't regenerate
he mustn't regenerate
we mustn't regenerate
you mustn't regenerate
they mustn't regenerate 	I mustn't be regenerating
you mustn't be regenerating
he mustn't be regenerating
we mustn't be regenerating
you mustn't be regenerating
they mustn't be regenerating	I mustn't have regenerated
you mustn't have regenerated
he mustn't have regenerated
we mustn't have regenerated
you mustn't have regenerated
they mustn't have regenerated	I mustn't have been regenerating
you mustn't have been regenerating
he mustn't have been regenerating
we mustn't have been regenerating
you mustn't have been regenerating
they mustn't have been regenerating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I regenerate?
must you regenerate?
must he regenerate?
must we regenerate?
must you regenerate?
must they regenerate? 	must I be regenerating?
must you be regenerating?
must he be regenerating?
must we be regenerating?
must you be regenerating?
must they be regenerating? 	must I have regenerated?
must you have regenerated?
must he have regenerated?
must we have regenerated?
must you have regenerated?
must they have regenerated? 	must I have been regenerating?
must you have been regenerating?
must he have been regenerating?
must we have been regenerating?
must you have been regenerating?
must they have been regenerating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I regenerate?
mustn't you regenerate?
mustn't he regenerate?
mustn't we regenerate?
mustn't you regenerate?
mustn't they regenerate? 	mustn't I be regenerating?
mustn't you be regenerating?
mustn't he be regenerating?
mustn't we be regenerating?
mustn't you be regenerating?
mustn't they be regenerating? 	mustn't I have regenerated?
mustn't you have regenerated?
mustn't he have regenerated?
mustn't we have regenerated?
mustn't you have regenerated?
mustn't they have regenerated? 	mustn't I have been regenerating?
mustn't you have been regenerating?
mustn't he have been regenerating?
mustn't we have been regenerating?
mustn't you have been regenerating?
mustn't they have been regenerating?