must calumniate
Regular verb: calumniate - calumniated- calumniated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must calumniate
you must calumniate
he must calumniate
we must calumniate
you must calumniate
they must calumniate 	I must be calumniating
you must be calumniating
he must be calumniating
we must be calumniating
you must be calumniating
they must be calumniating	I must have calumniated
you must have calumniated
he must have calumniated
we must have calumniated
you must have calumniated
they must have calumniated	I must have been calumniating
you must have been calumniating
he must have been calumniating
we must have been calumniating
you must have been calumniating
they must have been calumniating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't calumniate
you mustn't calumniate
he mustn't calumniate
we mustn't calumniate
you mustn't calumniate
they mustn't calumniate 	I mustn't be calumniating
you mustn't be calumniating
he mustn't be calumniating
we mustn't be calumniating
you mustn't be calumniating
they mustn't be calumniating	I mustn't have calumniated
you mustn't have calumniated
he mustn't have calumniated
we mustn't have calumniated
you mustn't have calumniated
they mustn't have calumniated	I mustn't have been calumniating
you mustn't have been calumniating
he mustn't have been calumniating
we mustn't have been calumniating
you mustn't have been calumniating
they mustn't have been calumniating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I calumniate?
must you calumniate?
must he calumniate?
must we calumniate?
must you calumniate?
must they calumniate? 	must I be calumniating?
must you be calumniating?
must he be calumniating?
must we be calumniating?
must you be calumniating?
must they be calumniating? 	must I have calumniated?
must you have calumniated?
must he have calumniated?
must we have calumniated?
must you have calumniated?
must they have calumniated? 	must I have been calumniating?
must you have been calumniating?
must he have been calumniating?
must we have been calumniating?
must you have been calumniating?
must they have been calumniating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I calumniate?
mustn't you calumniate?
mustn't he calumniate?
mustn't we calumniate?
mustn't you calumniate?
mustn't they calumniate? 	mustn't I be calumniating?
mustn't you be calumniating?
mustn't he be calumniating?
mustn't we be calumniating?
mustn't you be calumniating?
mustn't they be calumniating? 	mustn't I have calumniated?
mustn't you have calumniated?
mustn't he have calumniated?
mustn't we have calumniated?
mustn't you have calumniated?
mustn't they have calumniated? 	mustn't I have been calumniating?
mustn't you have been calumniating?
mustn't he have been calumniating?
mustn't we have been calumniating?
mustn't you have been calumniating?
mustn't they have been calumniating?