must parameterise
Regular verb: parameterise - parameterised- parameterised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must parameterise
you must parameterise
he must parameterise
we must parameterise
you must parameterise
they must parameterise 	I must be parameterising
you must be parameterising
he must be parameterising
we must be parameterising
you must be parameterising
they must be parameterising	I must have parameterised
you must have parameterised
he must have parameterised
we must have parameterised
you must have parameterised
they must have parameterised	I must have been parameterising
you must have been parameterising
he must have been parameterising
we must have been parameterising
you must have been parameterising
they must have been parameterising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't parameterise
you mustn't parameterise
he mustn't parameterise
we mustn't parameterise
you mustn't parameterise
they mustn't parameterise 	I mustn't be parameterising
you mustn't be parameterising
he mustn't be parameterising
we mustn't be parameterising
you mustn't be parameterising
they mustn't be parameterising	I mustn't have parameterised
you mustn't have parameterised
he mustn't have parameterised
we mustn't have parameterised
you mustn't have parameterised
they mustn't have parameterised	I mustn't have been parameterising
you mustn't have been parameterising
he mustn't have been parameterising
we mustn't have been parameterising
you mustn't have been parameterising
they mustn't have been parameterising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I parameterise?
must you parameterise?
must he parameterise?
must we parameterise?
must you parameterise?
must they parameterise? 	must I be parameterising?
must you be parameterising?
must he be parameterising?
must we be parameterising?
must you be parameterising?
must they be parameterising? 	must I have parameterised?
must you have parameterised?
must he have parameterised?
must we have parameterised?
must you have parameterised?
must they have parameterised? 	must I have been parameterising?
must you have been parameterising?
must he have been parameterising?
must we have been parameterising?
must you have been parameterising?
must they have been parameterising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I parameterise?
mustn't you parameterise?
mustn't he parameterise?
mustn't we parameterise?
mustn't you parameterise?
mustn't they parameterise? 	mustn't I be parameterising?
mustn't you be parameterising?
mustn't he be parameterising?
mustn't we be parameterising?
mustn't you be parameterising?
mustn't they be parameterising? 	mustn't I have parameterised?
mustn't you have parameterised?
mustn't he have parameterised?
mustn't we have parameterised?
mustn't you have parameterised?
mustn't they have parameterised? 	mustn't I have been parameterising?
mustn't you have been parameterising?
mustn't he have been parameterising?
mustn't we have been parameterising?
mustn't you have been parameterising?
mustn't they have been parameterising?