English verb conjugation
MAY VET

Regular verb: vet - vetted - vetted

Affirmation

Simple form	V-ing form
I may vet you may vet he may vet we may vet you may vet they may vet	I may be vetting you may be vetting he may be vetting we may be vetting you may be vetting they may be vetting
Perfect	V-ing perfect
I may have vetted you may have vetted he may have vetted we may have vetted you may have vetted they may have vetted	I may have been vetting you may have been vetting he may have been vetting we may have been vetting you may have been vetting they may have been vetting

Negation

Simple form	V-ing form
I mayn't vet you mayn't vet he mayn't vet we mayn't vet you mayn't vet they mayn't vet	I mayn't be vetting you mayn't be vetting he mayn't be vetting we mayn't be vetting you mayn't be vetting they mayn't be vetting
Perfect	V-ing perfect
I mayn't have vetted you mayn't have vetted he mayn't have vetted we mayn't have vetted you mayn't have vetted they mayn't have vetted	I mayn't have been vetting you mayn't have been vetting he mayn't have been vetting we mayn't have been vetting you mayn't have been vetting they mayn't have been vetting

Interrogative form

Simple form	V-ing form
may I vet? may you vet? may he vet? may we vet? may you vet? may they vet?	may I be vetting? may you be vetting? may he be vetting? may we be vetting? may you be vetting? may they be vetting?
Perfect	V-ing perfect
may I have vetted? may you have vetted? may he have vetted? may we have vetted? may you have vetted? may they have vetted?	may I have been vetting? may you have been vetting? may he have been vetting? may we have been vetting? may you have been vetting? may they have been vetting?

Interro-negative form

Simple form	V-ing form
mayn't I vet? mayn't you vet? mayn't he vet? mayn't we vet? mayn't you vet? mayn't they vet?	mayn't I be vetting? mayn't you be vetting? mayn't he be vetting? mayn't we be vetting? mayn't you be vetting? mayn't they be vetting?
Perfect	V-ing perfect
mayn't I have vetted? mayn't you have vetted? mayn't he have vetted? mayn't we have vetted? mayn't you have vetted? mayn't they have vetted?	mayn't I have been vetting? mayn't you have been vetting? mayn't he have been vetting? mayn't we have been vetting? mayn't you have been vetting? mayn't they have been vetting?