must dismantle
Regular verb: dismantle - dismantled- dismantled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must dismantle
you must dismantle
he must dismantle
we must dismantle
you must dismantle
they must dismantle 	I must be dismantling
you must be dismantling
he must be dismantling
we must be dismantling
you must be dismantling
they must be dismantling	I must have dismantled
you must have dismantled
he must have dismantled
we must have dismantled
you must have dismantled
they must have dismantled	I must have been dismantling
you must have been dismantling
he must have been dismantling
we must have been dismantling
you must have been dismantling
they must have been dismantling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't dismantle
you mustn't dismantle
he mustn't dismantle
we mustn't dismantle
you mustn't dismantle
they mustn't dismantle 	I mustn't be dismantling
you mustn't be dismantling
he mustn't be dismantling
we mustn't be dismantling
you mustn't be dismantling
they mustn't be dismantling	I mustn't have dismantled
you mustn't have dismantled
he mustn't have dismantled
we mustn't have dismantled
you mustn't have dismantled
they mustn't have dismantled	I mustn't have been dismantling
you mustn't have been dismantling
he mustn't have been dismantling
we mustn't have been dismantling
you mustn't have been dismantling
they mustn't have been dismantling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I dismantle?
must you dismantle?
must he dismantle?
must we dismantle?
must you dismantle?
must they dismantle? 	must I be dismantling?
must you be dismantling?
must he be dismantling?
must we be dismantling?
must you be dismantling?
must they be dismantling? 	must I have dismantled?
must you have dismantled?
must he have dismantled?
must we have dismantled?
must you have dismantled?
must they have dismantled? 	must I have been dismantling?
must you have been dismantling?
must he have been dismantling?
must we have been dismantling?
must you have been dismantling?
must they have been dismantling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I dismantle?
mustn't you dismantle?
mustn't he dismantle?
mustn't we dismantle?
mustn't you dismantle?
mustn't they dismantle? 	mustn't I be dismantling?
mustn't you be dismantling?
mustn't he be dismantling?
mustn't we be dismantling?
mustn't you be dismantling?
mustn't they be dismantling? 	mustn't I have dismantled?
mustn't you have dismantled?
mustn't he have dismantled?
mustn't we have dismantled?
mustn't you have dismantled?
mustn't they have dismantled? 	mustn't I have been dismantling?
mustn't you have been dismantling?
mustn't he have been dismantling?
mustn't we have been dismantling?
mustn't you have been dismantling?
mustn't they have been dismantling?