must tyrannise
Regular verb: tyrannise - tyrannised- tyrannised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must tyrannise
you must tyrannise
she must tyrannise
we must tyrannise
you must tyrannise
they must tyrannise 	I must be tyrannising
you must be tyrannising
she must be tyrannising
we must be tyrannising
you must be tyrannising
they must be tyrannising	I must have tyrannised
you must have tyrannised
she must have tyrannised
we must have tyrannised
you must have tyrannised
they must have tyrannised	I must have been tyrannising
you must have been tyrannising
she must have been tyrannising
we must have been tyrannising
you must have been tyrannising
they must have been tyrannising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't tyrannise
you mustn't tyrannise
she mustn't tyrannise
we mustn't tyrannise
you mustn't tyrannise
they mustn't tyrannise 	I mustn't be tyrannising
you mustn't be tyrannising
she mustn't be tyrannising
we mustn't be tyrannising
you mustn't be tyrannising
they mustn't be tyrannising	I mustn't have tyrannised
you mustn't have tyrannised
she mustn't have tyrannised
we mustn't have tyrannised
you mustn't have tyrannised
they mustn't have tyrannised	I mustn't have been tyrannising
you mustn't have been tyrannising
she mustn't have been tyrannising
we mustn't have been tyrannising
you mustn't have been tyrannising
they mustn't have been tyrannising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I tyrannise?
must you tyrannise?
must she tyrannise?
must we tyrannise?
must you tyrannise?
must they tyrannise? 	must I be tyrannising?
must you be tyrannising?
must she be tyrannising?
must we be tyrannising?
must you be tyrannising?
must they be tyrannising? 	must I have tyrannised?
must you have tyrannised?
must she have tyrannised?
must we have tyrannised?
must you have tyrannised?
must they have tyrannised? 	must I have been tyrannising?
must you have been tyrannising?
must she have been tyrannising?
must we have been tyrannising?
must you have been tyrannising?
must they have been tyrannising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I tyrannise?
mustn't you tyrannise?
mustn't she tyrannise?
mustn't we tyrannise?
mustn't you tyrannise?
mustn't they tyrannise? 	mustn't I be tyrannising?
mustn't you be tyrannising?
mustn't she be tyrannising?
mustn't we be tyrannising?
mustn't you be tyrannising?
mustn't they be tyrannising? 	mustn't I have tyrannised?
mustn't you have tyrannised?
mustn't she have tyrannised?
mustn't we have tyrannised?
mustn't you have tyrannised?
mustn't they have tyrannised? 	mustn't I have been tyrannising?
mustn't you have been tyrannising?
mustn't she have been tyrannising?
mustn't we have been tyrannising?
mustn't you have been tyrannising?
mustn't they have been tyrannising?