could revaccinate
Regular verb: revaccinate - revaccinated- revaccinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could revaccinate
you could revaccinate
she could revaccinate
we could revaccinate
you could revaccinate
they could revaccinate 	I could be revaccinating
you could be revaccinating
she could be revaccinating
we could be revaccinating
you could be revaccinating
they could be revaccinating	I could have revaccinated
you could have revaccinated
she 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
she 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 	Perfect 	V-ing perfect 	
I could not revaccinate
you could not revaccinate
she 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
she could not be revaccinating
we could not be revaccinating
you could not be revaccinating
they could not be revaccinating	I could not have revaccinated
you could not have revaccinated
she 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
she 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 	Perfect 	V-ing perfect 	
could I revaccinate?
could you revaccinate?
could she revaccinate?
could we revaccinate?
could you revaccinate?
could they revaccinate? 	could I be revaccinating?
could you be revaccinating?
could she be revaccinating?
could we be revaccinating?
could you be revaccinating?
could they be revaccinating? 	could I have revaccinated?
could you have revaccinated?
could she 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 she 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 	Perfect 	V-ing perfect 	
could I not revaccinate?
could you not revaccinate?
could she 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 she not be revaccinating?
could we not be revaccinating?
could you not be revaccinating?
could they not be revaccinating? 	could I not have revaccinated?
could you not have revaccinated?
could she 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 she not have been revaccinating?
could we not have been revaccinating?
could you not have been revaccinating?
could they not have been revaccinating?