English verb conjugation
MAY VETO

Regular verb: veto - vetoed - vetoed

Affirmation

Simple form	V-ing form
I may veto you may veto he may veto we may veto you may veto they may veto	I may be vetoing you may be vetoing he may be vetoing we may be vetoing you may be vetoing they may be vetoing
Perfect	V-ing perfect
I may have vetoed you may have vetoed he may have vetoed we may have vetoed you may have vetoed they may have vetoed	I may have been vetoing you may have been vetoing he may have been vetoing we may have been vetoing you may have been vetoing they may have been vetoing

Negation

Simple form	V-ing form
I mayn't veto you mayn't veto he mayn't veto we mayn't veto you mayn't veto they mayn't veto	I mayn't be vetoing you mayn't be vetoing he mayn't be vetoing we mayn't be vetoing you mayn't be vetoing they mayn't be vetoing
Perfect	V-ing perfect
I mayn't have vetoed you mayn't have vetoed he mayn't have vetoed we mayn't have vetoed you mayn't have vetoed they mayn't have vetoed	I mayn't have been vetoing you mayn't have been vetoing he mayn't have been vetoing we mayn't have been vetoing you mayn't have been vetoing they mayn't have been vetoing

Interrogative form

Simple form	V-ing form
may I veto? may you veto? may he veto? may we veto? may you veto? may they veto?	may I be vetoing? may you be vetoing? may he be vetoing? may we be vetoing? may you be vetoing? may they be vetoing?
Perfect	V-ing perfect
may I have vetoed? may you have vetoed? may he have vetoed? may we have vetoed? may you have vetoed? may they have vetoed?	may I have been vetoing? may you have been vetoing? may he have been vetoing? may we have been vetoing? may you have been vetoing? may they have been vetoing?

Interro-negative form

Simple form	V-ing form
mayn't I veto? mayn't you veto? mayn't he veto? mayn't we veto? mayn't you veto? mayn't they veto?	mayn't I be vetoing? mayn't you be vetoing? mayn't he be vetoing? mayn't we be vetoing? mayn't you be vetoing? mayn't they be vetoing?
Perfect	V-ing perfect
mayn't I have vetoed? mayn't you have vetoed? mayn't he have vetoed? mayn't we have vetoed? mayn't you have vetoed? mayn't they have vetoed?	mayn't I have been vetoing? mayn't you have been vetoing? mayn't he have been vetoing? mayn't we have been vetoing? mayn't you have been vetoing? mayn't they have been vetoing?