must veto
Regular verb: veto - vetoed- vetoed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must veto
you must veto
she must veto
we must veto
you must veto
they must veto 	I must be vetoing
you must be vetoing
she must be vetoing
we must be vetoing
you must be vetoing
they must be vetoing	I must have vetoed
you must have vetoed
she must have vetoed
we must have vetoed
you must have vetoed
they must have vetoed	I must have been vetoing
you must have been vetoing
she must have been vetoing
we must have been vetoing
you must have been vetoing
they must have been vetoing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not veto
you must not veto
she must not veto
we must not veto
you must not veto
they must not veto 	I must not be vetoing
you must not be vetoing
she must not be vetoing
we must not be vetoing
you must not be vetoing
they must not be vetoing	I must not have vetoed
you must not have vetoed
she must not have vetoed
we must not have vetoed
you must not have vetoed
they must not have vetoed	I must not have been vetoing
you must not have been vetoing
she must not have been vetoing
we must not have been vetoing
you must not have been vetoing
they must not have been vetoing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I veto?
must you veto?
must she veto?
must we veto?
must you veto?
must they veto? 	must I be vetoing?
must you be vetoing?
must she be vetoing?
must we be vetoing?
must you be vetoing?
must they be vetoing? 	must I have vetoed?
must you have vetoed?
must she have vetoed?
must we have vetoed?
must you have vetoed?
must they have vetoed? 	must I have been vetoing?
must you have been vetoing?
must she have been vetoing?
must we have been vetoing?
must you have been vetoing?
must they have been vetoing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not veto?
must you not veto?
must she not veto?
must we not veto?
must you not veto?
must they not veto? 	must I not be vetoing?
must you not be vetoing?
must she not be vetoing?
must we not be vetoing?
must you not be vetoing?
must they not be vetoing? 	must I not have vetoed?
must you not have vetoed?
must she not have vetoed?
must we not have vetoed?
must you not have vetoed?
must they not have vetoed? 	must I not have been vetoing?
must you not have been vetoing?
must she not have been vetoing?
must we not have been vetoing?
must you not have been vetoing?
must they not have been vetoing?