must relieve
Verbo regular: relieve - relieved- relieved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must relieve
you must relieve
he must relieve
we must relieve
you must relieve
they must relieve 	I must be relieving
you must be relieving
he must be relieving
we must be relieving
you must be relieving
they must be relieving	I must have relieved
you must have relieved
he must have relieved
we must have relieved
you must have relieved
they must have relieved	I must have been relieving
you must have been relieving
he must have been relieving
we must have been relieving
you must have been relieving
they must have been relieving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't relieve
you mustn't relieve
he mustn't relieve
we mustn't relieve
you mustn't relieve
they mustn't relieve 	I mustn't be relieving
you mustn't be relieving
he mustn't be relieving
we mustn't be relieving
you mustn't be relieving
they mustn't be relieving	I mustn't have relieved
you mustn't have relieved
he mustn't have relieved
we mustn't have relieved
you mustn't have relieved
they mustn't have relieved	I mustn't have been relieving
you mustn't have been relieving
he mustn't have been relieving
we mustn't have been relieving
you mustn't have been relieving
they mustn't have been relieving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I relieve?
must you relieve?
must he relieve?
must we relieve?
must you relieve?
must they relieve? 	must I be relieving?
must you be relieving?
must he be relieving?
must we be relieving?
must you be relieving?
must they be relieving? 	must I have relieved?
must you have relieved?
must he have relieved?
must we have relieved?
must you have relieved?
must they have relieved? 	must I have been relieving?
must you have been relieving?
must he have been relieving?
must we have been relieving?
must you have been relieving?
must they have been relieving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I relieve?
mustn't you relieve?
mustn't he relieve?
mustn't we relieve?
mustn't you relieve?
mustn't they relieve? 	mustn't I be relieving?
mustn't you be relieving?
mustn't he be relieving?
mustn't we be relieving?
mustn't you be relieving?
mustn't they be relieving? 	mustn't I have relieved?
mustn't you have relieved?
mustn't he have relieved?
mustn't we have relieved?
mustn't you have relieved?
mustn't they have relieved? 	mustn't I have been relieving?
mustn't you have been relieving?
mustn't he have been relieving?
mustn't we have been relieving?
mustn't you have been relieving?
mustn't they have been relieving?