must stable
Regular verb: stable - stabled- stabled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must stable
you must stable
he must stable
we must stable
you must stable
they must stable 	I must be stabling
you must be stabling
he must be stabling
we must be stabling
you must be stabling
they must be stabling	I must have stabled
you must have stabled
he must have stabled
we must have stabled
you must have stabled
they must have stabled	I must have been stabling
you must have been stabling
he must have been stabling
we must have been stabling
you must have been stabling
they must have been stabling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't stable
you mustn't stable
he mustn't stable
we mustn't stable
you mustn't stable
they mustn't stable 	I mustn't be stabling
you mustn't be stabling
he mustn't be stabling
we mustn't be stabling
you mustn't be stabling
they mustn't be stabling	I mustn't have stabled
you mustn't have stabled
he mustn't have stabled
we mustn't have stabled
you mustn't have stabled
they mustn't have stabled	I mustn't have been stabling
you mustn't have been stabling
he mustn't have been stabling
we mustn't have been stabling
you mustn't have been stabling
they mustn't have been stabling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I stable?
must you stable?
must he stable?
must we stable?
must you stable?
must they stable? 	must I be stabling?
must you be stabling?
must he be stabling?
must we be stabling?
must you be stabling?
must they be stabling? 	must I have stabled?
must you have stabled?
must he have stabled?
must we have stabled?
must you have stabled?
must they have stabled? 	must I have been stabling?
must you have been stabling?
must he have been stabling?
must we have been stabling?
must you have been stabling?
must they have been stabling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I stable?
mustn't you stable?
mustn't he stable?
mustn't we stable?
mustn't you stable?
mustn't they stable? 	mustn't I be stabling?
mustn't you be stabling?
mustn't he be stabling?
mustn't we be stabling?
mustn't you be stabling?
mustn't they be stabling? 	mustn't I have stabled?
mustn't you have stabled?
mustn't he have stabled?
mustn't we have stabled?
mustn't you have stabled?
mustn't they have stabled? 	mustn't I have been stabling?
mustn't you have been stabling?
mustn't he have been stabling?
mustn't we have been stabling?
mustn't you have been stabling?
mustn't they have been stabling?