must convene
Regular verb: convene - convened- convened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must convene
you must convene
he must convene
we must convene
you must convene
they must convene 	I must be convening
you must be convening
he must be convening
we must be convening
you must be convening
they must be convening	I must have convened
you must have convened
he must have convened
we must have convened
you must have convened
they must have convened	I must have been convening
you must have been convening
he must have been convening
we must have been convening
you must have been convening
they must have been convening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not convene
you must not convene
he must not convene
we must not convene
you must not convene
they must not convene 	I must not be convening
you must not be convening
he must not be convening
we must not be convening
you must not be convening
they must not be convening	I must not have convened
you must not have convened
he must not have convened
we must not have convened
you must not have convened
they must not have convened	I must not have been convening
you must not have been convening
he must not have been convening
we must not have been convening
you must not have been convening
they must not have been convening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I convene?
must you convene?
must he convene?
must we convene?
must you convene?
must they convene? 	must I be convening?
must you be convening?
must he be convening?
must we be convening?
must you be convening?
must they be convening? 	must I have convened?
must you have convened?
must he have convened?
must we have convened?
must you have convened?
must they have convened? 	must I have been convening?
must you have been convening?
must he have been convening?
must we have been convening?
must you have been convening?
must they have been convening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not convene?
must you not convene?
must he not convene?
must we not convene?
must you not convene?
must they not convene? 	must I not be convening?
must you not be convening?
must he not be convening?
must we not be convening?
must you not be convening?
must they not be convening? 	must I not have convened?
must you not have convened?
must he not have convened?
must we not have convened?
must you not have convened?
must they not have convened? 	must I not have been convening?
must you not have been convening?
must he not have been convening?
must we not have been convening?
must you not have been convening?
must they not have been convening?