must dismantle
Regular verb: dismantle - dismantled- dismantled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must dismantle
you must dismantle
she must dismantle
we must dismantle
you must dismantle
they must dismantle 	I must be dismantling
you must be dismantling
she must be dismantling
we must be dismantling
you must be dismantling
they must be dismantling	I must have dismantled
you must have dismantled
she 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
she 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
she 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
she 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
she 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
she 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 she dismantle?
must we dismantle?
must you dismantle?
must they dismantle? 	must I be dismantling?
must you be dismantling?
must she be dismantling?
must we be dismantling?
must you be dismantling?
must they be dismantling? 	must I have dismantled?
must you have dismantled?
must she 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 she 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 she 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 she 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 she 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 she have been dismantling?
mustn't we have been dismantling?
mustn't you have been dismantling?
mustn't they have been dismantling?