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 could not revaccinate you could not revaccinate he could not revaccinate we could not revaccinate you could not revaccinate they could not revaccinate	I could not be revaccinating you could not be revaccinating he could not be revaccinating we could not be revaccinating you could not be revaccinating they could not be revaccinating
Perfect	V-ing perfect
I could not have revaccinated you could not have revaccinated he could not have revaccinated we could not have revaccinated you could not have revaccinated they could not have revaccinated	I could not have been revaccinating you could not have been revaccinating he could not have been revaccinating we could not have been revaccinating you could not have been revaccinating they could not 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
could I not revaccinate? could you not revaccinate? could he not revaccinate? could we not revaccinate? could you not revaccinate? could they not revaccinate?	could I not be revaccinating? could you not be revaccinating? could he not be revaccinating? could we not be revaccinating? could you not be revaccinating? could they not be revaccinating?
Perfect	V-ing perfect
could I not have revaccinated? could you not have revaccinated? could he not have revaccinated? could we not have revaccinated? could you not have revaccinated? could they not have revaccinated?	could I not have been revaccinating? could you not have been revaccinating? could he not have been revaccinating? could we not have been revaccinating? could you not have been revaccinating? could they not have been revaccinating?