must constitute
Regular verb: constitute - constituted- constituted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must constitute
you must constitute
she must constitute
we must constitute
you must constitute
they must constitute 	I must be constituting
you must be constituting
she must be constituting
we must be constituting
you must be constituting
they must be constituting	I must have constituted
you must have constituted
she must have constituted
we must have constituted
you must have constituted
they must have constituted	I must have been constituting
you must have been constituting
she must have been constituting
we must have been constituting
you must have been constituting
they must have been constituting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't constitute
you mustn't constitute
she mustn't constitute
we mustn't constitute
you mustn't constitute
they mustn't constitute 	I mustn't be constituting
you mustn't be constituting
she mustn't be constituting
we mustn't be constituting
you mustn't be constituting
they mustn't be constituting	I mustn't have constituted
you mustn't have constituted
she mustn't have constituted
we mustn't have constituted
you mustn't have constituted
they mustn't have constituted	I mustn't have been constituting
you mustn't have been constituting
she mustn't have been constituting
we mustn't have been constituting
you mustn't have been constituting
they mustn't have been constituting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I constitute?
must you constitute?
must she constitute?
must we constitute?
must you constitute?
must they constitute? 	must I be constituting?
must you be constituting?
must she be constituting?
must we be constituting?
must you be constituting?
must they be constituting? 	must I have constituted?
must you have constituted?
must she have constituted?
must we have constituted?
must you have constituted?
must they have constituted? 	must I have been constituting?
must you have been constituting?
must she have been constituting?
must we have been constituting?
must you have been constituting?
must they have been constituting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I constitute?
mustn't you constitute?
mustn't she constitute?
mustn't we constitute?
mustn't you constitute?
mustn't they constitute? 	mustn't I be constituting?
mustn't you be constituting?
mustn't she be constituting?
mustn't we be constituting?
mustn't you be constituting?
mustn't they be constituting? 	mustn't I have constituted?
mustn't you have constituted?
mustn't she have constituted?
mustn't we have constituted?
mustn't you have constituted?
mustn't they have constituted? 	mustn't I have been constituting?
mustn't you have been constituting?
mustn't she have been constituting?
mustn't we have been constituting?
mustn't you have been constituting?
mustn't they have been constituting?