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 must not constitute
you must not constitute
she must not constitute
we must not constitute
you must not constitute
they must not constitute 	I must not be constituting
you must not be constituting
she must not be constituting
we must not be constituting
you must not be constituting
they must not be constituting	I must not have constituted
you must not have constituted
she must not have constituted
we must not have constituted
you must not have constituted
they must not have constituted	I must not have been constituting
you must not have been constituting
she must not have been constituting
we must not have been constituting
you must not have been constituting
they must not 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 	
must I not constitute?
must you not constitute?
must she not constitute?
must we not constitute?
must you not constitute?
must they not constitute? 	must I not be constituting?
must you not be constituting?
must she not be constituting?
must we not be constituting?
must you not be constituting?
must they not be constituting? 	must I not have constituted?
must you not have constituted?
must she not have constituted?
must we not have constituted?
must you not have constituted?
must they not have constituted? 	must I not have been constituting?
must you not have been constituting?
must she not have been constituting?
must we not have been constituting?
must you not have been constituting?
must they not have been constituting?