must adhere
Regular verb: adhere - adhered- adhered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must adhere
you must adhere
he must adhere
we must adhere
you must adhere
they must adhere 	I must be adhering
you must be adhering
he must be adhering
we must be adhering
you must be adhering
they must be adhering	I must have adhered
you must have adhered
he must have adhered
we must have adhered
you must have adhered
they must have adhered	I must have been adhering
you must have been adhering
he must have been adhering
we must have been adhering
you must have been adhering
they must have been adhering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't adhere
you mustn't adhere
he mustn't adhere
we mustn't adhere
you mustn't adhere
they mustn't adhere 	I mustn't be adhering
you mustn't be adhering
he mustn't be adhering
we mustn't be adhering
you mustn't be adhering
they mustn't be adhering	I mustn't have adhered
you mustn't have adhered
he mustn't have adhered
we mustn't have adhered
you mustn't have adhered
they mustn't have adhered	I mustn't have been adhering
you mustn't have been adhering
he mustn't have been adhering
we mustn't have been adhering
you mustn't have been adhering
they mustn't have been adhering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I adhere?
must you adhere?
must he adhere?
must we adhere?
must you adhere?
must they adhere? 	must I be adhering?
must you be adhering?
must he be adhering?
must we be adhering?
must you be adhering?
must they be adhering? 	must I have adhered?
must you have adhered?
must he have adhered?
must we have adhered?
must you have adhered?
must they have adhered? 	must I have been adhering?
must you have been adhering?
must he have been adhering?
must we have been adhering?
must you have been adhering?
must they have been adhering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I adhere?
mustn't you adhere?
mustn't he adhere?
mustn't we adhere?
mustn't you adhere?
mustn't they adhere? 	mustn't I be adhering?
mustn't you be adhering?
mustn't he be adhering?
mustn't we be adhering?
mustn't you be adhering?
mustn't they be adhering? 	mustn't I have adhered?
mustn't you have adhered?
mustn't he have adhered?
mustn't we have adhered?
mustn't you have adhered?
mustn't they have adhered? 	mustn't I have been adhering?
mustn't you have been adhering?
mustn't he have been adhering?
mustn't we have been adhering?
mustn't you have been adhering?
mustn't they have been adhering?