must relieve
Regular verb: relieve - relieved- relieved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must relieve
you must relieve
she must relieve
we must relieve
you must relieve
they must relieve 	I must be relieving
you must be relieving
she must be relieving
we must be relieving
you must be relieving
they must be relieving	I must have relieved
you must have relieved
she 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
she must have been relieving
we must have been relieving
you must have been relieving
they must have been relieving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't relieve
you mustn't relieve
she 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
she 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
she 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
she mustn't have been relieving
we mustn't have been relieving
you mustn't have been relieving
they mustn't have been relieving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I relieve?
must you relieve?
must she relieve?
must we relieve?
must you relieve?
must they relieve? 	must I be relieving?
must you be relieving?
must she be relieving?
must we be relieving?
must you be relieving?
must they be relieving? 	must I have relieved?
must you have relieved?
must she 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 she have been relieving?
must we have been relieving?
must you have been relieving?
must they have been relieving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I relieve?
mustn't you relieve?
mustn't she 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 she 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 she 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 she have been relieving?
mustn't we have been relieving?
mustn't you have been relieving?
mustn't they have been relieving?