English verb conjugation
CAN VET

Regular verb: vet - vetted - vetted

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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