must veto
Verbo regular: veto - vetoed- vetoed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must veto
you must veto
he must veto
we must veto
you must veto
they must veto 	I must be vetoing
you must be vetoing
he must be vetoing
we must be vetoing
you must be vetoing
they must be vetoing	I must have vetoed
you must have vetoed
he 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
he must have been vetoing
we must have been vetoing
you must have been vetoing
they must have been vetoing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't veto
you mustn't veto
he mustn't veto
we mustn't veto
you mustn't veto
they mustn't veto 	I mustn't be vetoing
you mustn't be vetoing
he mustn't be vetoing
we mustn't be vetoing
you mustn't be vetoing
they mustn't be vetoing	I mustn't have vetoed
you mustn't have vetoed
he mustn't have vetoed
we mustn't have vetoed
you mustn't have vetoed
they mustn't have vetoed	I mustn't have been vetoing
you mustn't have been vetoing
he mustn't have been vetoing
we mustn't have been vetoing
you mustn't have been vetoing
they mustn't have been vetoing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I veto?
must you veto?
must he veto?
must we veto?
must you veto?
must they veto? 	must I be vetoing?
must you be vetoing?
must he be vetoing?
must we be vetoing?
must you be vetoing?
must they be vetoing? 	must I have vetoed?
must you have vetoed?
must he 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 he have been vetoing?
must we have been vetoing?
must you have been vetoing?
must they have been vetoing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I veto?
mustn't you veto?
mustn't he veto?
mustn't we veto?
mustn't you veto?
mustn't they veto? 	mustn't I be vetoing?
mustn't you be vetoing?
mustn't he be vetoing?
mustn't we be vetoing?
mustn't you be vetoing?
mustn't they be vetoing? 	mustn't I have vetoed?
mustn't you have vetoed?
mustn't he have vetoed?
mustn't we have vetoed?
mustn't you have vetoed?
mustn't they have vetoed? 	mustn't I have been vetoing?
mustn't you have been vetoing?
mustn't he have been vetoing?
mustn't we have been vetoing?
mustn't you have been vetoing?
mustn't they have been vetoing?