must decontrol
Regular verb: decontrol - decontrolled- decontrolled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must decontrol
you must decontrol
he must decontrol
we must decontrol
you must decontrol
they must decontrol 	I must be decontrolling
you must be decontrolling
he must be decontrolling
we must be decontrolling
you must be decontrolling
they must be decontrolling	I must have decontrolled
you must have decontrolled
he must have decontrolled
we must have decontrolled
you must have decontrolled
they must have decontrolled	I must have been decontrolling
you must have been decontrolling
he must have been decontrolling
we must have been decontrolling
you must have been decontrolling
they must have been decontrolling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't decontrol
you mustn't decontrol
he mustn't decontrol
we mustn't decontrol
you mustn't decontrol
they mustn't decontrol 	I mustn't be decontrolling
you mustn't be decontrolling
he mustn't be decontrolling
we mustn't be decontrolling
you mustn't be decontrolling
they mustn't be decontrolling	I mustn't have decontrolled
you mustn't have decontrolled
he mustn't have decontrolled
we mustn't have decontrolled
you mustn't have decontrolled
they mustn't have decontrolled	I mustn't have been decontrolling
you mustn't have been decontrolling
he mustn't have been decontrolling
we mustn't have been decontrolling
you mustn't have been decontrolling
they mustn't have been decontrolling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I decontrol?
must you decontrol?
must he decontrol?
must we decontrol?
must you decontrol?
must they decontrol? 	must I be decontrolling?
must you be decontrolling?
must he be decontrolling?
must we be decontrolling?
must you be decontrolling?
must they be decontrolling? 	must I have decontrolled?
must you have decontrolled?
must he have decontrolled?
must we have decontrolled?
must you have decontrolled?
must they have decontrolled? 	must I have been decontrolling?
must you have been decontrolling?
must he have been decontrolling?
must we have been decontrolling?
must you have been decontrolling?
must they have been decontrolling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I decontrol?
mustn't you decontrol?
mustn't he decontrol?
mustn't we decontrol?
mustn't you decontrol?
mustn't they decontrol? 	mustn't I be decontrolling?
mustn't you be decontrolling?
mustn't he be decontrolling?
mustn't we be decontrolling?
mustn't you be decontrolling?
mustn't they be decontrolling? 	mustn't I have decontrolled?
mustn't you have decontrolled?
mustn't he have decontrolled?
mustn't we have decontrolled?
mustn't you have decontrolled?
mustn't they have decontrolled? 	mustn't I have been decontrolling?
mustn't you have been decontrolling?
mustn't he have been decontrolling?
mustn't we have been decontrolling?
mustn't you have been decontrolling?
mustn't they have been decontrolling?