English verb conjugation
COULD REVACCINATE

Regular verb: revaccinate - revaccinated - revaccinated

Affirmation

Simple form	V-ing form
I could revaccinate you could revaccinate he could revaccinate we could revaccinate you could revaccinate they could revaccinate	I could be revaccinating you could be revaccinating he could be revaccinating we could be revaccinating you could be revaccinating they could be revaccinating
Perfect	V-ing perfect
I could have revaccinated you could have revaccinated he could have revaccinated we could have revaccinated you could have revaccinated they could have revaccinated	I could have been revaccinating you could have been revaccinating he could have been revaccinating we could have been revaccinating you could have been revaccinating they could have been revaccinating

Negation

Simple form	V-ing form
I couldn't revaccinate you couldn't revaccinate he couldn't revaccinate we couldn't revaccinate you couldn't revaccinate they couldn't revaccinate	I couldn't be revaccinating you couldn't be revaccinating he couldn't be revaccinating we couldn't be revaccinating you couldn't be revaccinating they couldn't be revaccinating
Perfect	V-ing perfect
I couldn't have revaccinated you couldn't have revaccinated he couldn't have revaccinated we couldn't have revaccinated you couldn't have revaccinated they couldn't have revaccinated	I couldn't have been revaccinating you couldn't have been revaccinating he couldn't have been revaccinating we couldn't have been revaccinating you couldn't have been revaccinating they couldn't have been revaccinating

Interrogative form

Simple form	V-ing form
could I revaccinate? could you revaccinate? could he revaccinate? could we revaccinate? could you revaccinate? could they revaccinate?	could I be revaccinating? could you be revaccinating? could he be revaccinating? could we be revaccinating? could you be revaccinating? could they be revaccinating?
Perfect	V-ing perfect
could I have revaccinated? could you have revaccinated? could he have revaccinated? could we have revaccinated? could you have revaccinated? could they have revaccinated?	could I have been revaccinating? could you have been revaccinating? could he have been revaccinating? could we have been revaccinating? could you have been revaccinating? could they have been revaccinating?

Interro-negative form

Simple form	V-ing form
couldn't I revaccinate? couldn't you revaccinate? couldn't he revaccinate? couldn't we revaccinate? couldn't you revaccinate? couldn't they revaccinate?	couldn't I be revaccinating? couldn't you be revaccinating? couldn't he be revaccinating? couldn't we be revaccinating? couldn't you be revaccinating? couldn't they be revaccinating?
Perfect	V-ing perfect
couldn't I have revaccinated? couldn't you have revaccinated? couldn't he have revaccinated? couldn't we have revaccinated? couldn't you have revaccinated? couldn't they have revaccinated?	couldn't I have been revaccinating? couldn't you have been revaccinating? couldn't he have been revaccinating? couldn't we have been revaccinating? couldn't you have been revaccinating? couldn't they have been revaccinating?