must disentangle
Regular verb: disentangle - disentangled- disentangled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must disentangle
you must disentangle
he must disentangle
we must disentangle
you must disentangle
they must disentangle 	I must be disentangling
you must be disentangling
he must be disentangling
we must be disentangling
you must be disentangling
they must be disentangling	I must have disentangled
you must have disentangled
he must have disentangled
we must have disentangled
you must have disentangled
they must have disentangled	I must have been disentangling
you must have been disentangling
he must have been disentangling
we must have been disentangling
you must have been disentangling
they must have been disentangling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't disentangle
you mustn't disentangle
he mustn't disentangle
we mustn't disentangle
you mustn't disentangle
they mustn't disentangle 	I mustn't be disentangling
you mustn't be disentangling
he mustn't be disentangling
we mustn't be disentangling
you mustn't be disentangling
they mustn't be disentangling	I mustn't have disentangled
you mustn't have disentangled
he mustn't have disentangled
we mustn't have disentangled
you mustn't have disentangled
they mustn't have disentangled	I mustn't have been disentangling
you mustn't have been disentangling
he mustn't have been disentangling
we mustn't have been disentangling
you mustn't have been disentangling
they mustn't have been disentangling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I disentangle?
must you disentangle?
must he disentangle?
must we disentangle?
must you disentangle?
must they disentangle? 	must I be disentangling?
must you be disentangling?
must he be disentangling?
must we be disentangling?
must you be disentangling?
must they be disentangling? 	must I have disentangled?
must you have disentangled?
must he have disentangled?
must we have disentangled?
must you have disentangled?
must they have disentangled? 	must I have been disentangling?
must you have been disentangling?
must he have been disentangling?
must we have been disentangling?
must you have been disentangling?
must they have been disentangling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I disentangle?
mustn't you disentangle?
mustn't he disentangle?
mustn't we disentangle?
mustn't you disentangle?
mustn't they disentangle? 	mustn't I be disentangling?
mustn't you be disentangling?
mustn't he be disentangling?
mustn't we be disentangling?
mustn't you be disentangling?
mustn't they be disentangling? 	mustn't I have disentangled?
mustn't you have disentangled?
mustn't he have disentangled?
mustn't we have disentangled?
mustn't you have disentangled?
mustn't they have disentangled? 	mustn't I have been disentangling?
mustn't you have been disentangling?
mustn't he have been disentangling?
mustn't we have been disentangling?
mustn't you have been disentangling?
mustn't they have been disentangling?