must vaccinate
Regular verb: vaccinate - vaccinated- vaccinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must vaccinate
you must vaccinate
he must vaccinate
we must vaccinate
you must vaccinate
they must vaccinate 	I must be vaccinating
you must be vaccinating
he must be vaccinating
we must be vaccinating
you must be vaccinating
they must be vaccinating	I must have vaccinated
you must have vaccinated
he must have vaccinated
we must have vaccinated
you must have vaccinated
they must have vaccinated	I must have been vaccinating
you must have been vaccinating
he must have been vaccinating
we must have been vaccinating
you must have been vaccinating
they must have been vaccinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not vaccinate
you must not vaccinate
he must not vaccinate
we must not vaccinate
you must not vaccinate
they must not vaccinate 	I must not be vaccinating
you must not be vaccinating
he must not be vaccinating
we must not be vaccinating
you must not be vaccinating
they must not be vaccinating	I must not have vaccinated
you must not have vaccinated
he must not have vaccinated
we must not have vaccinated
you must not have vaccinated
they must not have vaccinated	I must not have been vaccinating
you must not have been vaccinating
he must not have been vaccinating
we must not have been vaccinating
you must not have been vaccinating
they must not have been vaccinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I vaccinate?
must you vaccinate?
must he vaccinate?
must we vaccinate?
must you vaccinate?
must they vaccinate? 	must I be vaccinating?
must you be vaccinating?
must he be vaccinating?
must we be vaccinating?
must you be vaccinating?
must they be vaccinating? 	must I have vaccinated?
must you have vaccinated?
must he have vaccinated?
must we have vaccinated?
must you have vaccinated?
must they have vaccinated? 	must I have been vaccinating?
must you have been vaccinating?
must he have been vaccinating?
must we have been vaccinating?
must you have been vaccinating?
must they have been vaccinating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not vaccinate?
must you not vaccinate?
must he not vaccinate?
must we not vaccinate?
must you not vaccinate?
must they not vaccinate? 	must I not be vaccinating?
must you not be vaccinating?
must he not be vaccinating?
must we not be vaccinating?
must you not be vaccinating?
must they not be vaccinating? 	must I not have vaccinated?
must you not have vaccinated?
must he not have vaccinated?
must we not have vaccinated?
must you not have vaccinated?
must they not have vaccinated? 	must I not have been vaccinating?
must you not have been vaccinating?
must he not have been vaccinating?
must we not have been vaccinating?
must you not have been vaccinating?
must they not have been vaccinating?