must revaccinate
Regular verb: revaccinate - revaccinated- revaccinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must revaccinate
you must revaccinate
she must revaccinate
we must revaccinate
you must revaccinate
they must revaccinate 	I must be revaccinating
you must be revaccinating
she must be revaccinating
we must be revaccinating
you must be revaccinating
they must be revaccinating	I must have revaccinated
you must have revaccinated
she must have revaccinated
we must have revaccinated
you must have revaccinated
they must have revaccinated	I must have been revaccinating
you must have been revaccinating
she must have been revaccinating
we must have been revaccinating
you must have been revaccinating
they must have been revaccinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not revaccinate
you must not revaccinate
she must not revaccinate
we must not revaccinate
you must not revaccinate
they must not revaccinate 	I must not be revaccinating
you must not be revaccinating
she must not be revaccinating
we must not be revaccinating
you must not be revaccinating
they must not be revaccinating	I must not have revaccinated
you must not have revaccinated
she must not have revaccinated
we must not have revaccinated
you must not have revaccinated
they must not have revaccinated	I must not have been revaccinating
you must not have been revaccinating
she must not have been revaccinating
we must not have been revaccinating
you must not have been revaccinating
they must not have been revaccinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I revaccinate?
must you revaccinate?
must she revaccinate?
must we revaccinate?
must you revaccinate?
must they revaccinate? 	must I be revaccinating?
must you be revaccinating?
must she be revaccinating?
must we be revaccinating?
must you be revaccinating?
must they be revaccinating? 	must I have revaccinated?
must you have revaccinated?
must she have revaccinated?
must we have revaccinated?
must you have revaccinated?
must they have revaccinated? 	must I have been revaccinating?
must you have been revaccinating?
must she have been revaccinating?
must we have been revaccinating?
must you have been revaccinating?
must they have been revaccinating? 	

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