must prevaccinate
Verbo regular: prevaccinate - prevaccinated- prevaccinated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must prevaccinate
you must prevaccinate
he must prevaccinate
we must prevaccinate
you must prevaccinate
they must prevaccinate 	I must be prevaccinating
you must be prevaccinating
he must be prevaccinating
we must be prevaccinating
you must be prevaccinating
they must be prevaccinating	I must have prevaccinated
you must have prevaccinated
he must have prevaccinated
we must have prevaccinated
you must have prevaccinated
they must have prevaccinated	I must have been prevaccinating
you must have been prevaccinating
he must have been prevaccinating
we must have been prevaccinating
you must have been prevaccinating
they must have been prevaccinating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not prevaccinate
you must not prevaccinate
he must not prevaccinate
we must not prevaccinate
you must not prevaccinate
they must not prevaccinate 	I must not be prevaccinating
you must not be prevaccinating
he must not be prevaccinating
we must not be prevaccinating
you must not be prevaccinating
they must not be prevaccinating	I must not have prevaccinated
you must not have prevaccinated
he must not have prevaccinated
we must not have prevaccinated
you must not have prevaccinated
they must not have prevaccinated	I must not have been prevaccinating
you must not have been prevaccinating
he must not have been prevaccinating
we must not have been prevaccinating
you must not have been prevaccinating
they must not have been prevaccinating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I prevaccinate?
must you prevaccinate?
must he prevaccinate?
must we prevaccinate?
must you prevaccinate?
must they prevaccinate? 	must I be prevaccinating?
must you be prevaccinating?
must he be prevaccinating?
must we be prevaccinating?
must you be prevaccinating?
must they be prevaccinating? 	must I have prevaccinated?
must you have prevaccinated?
must he have prevaccinated?
must we have prevaccinated?
must you have prevaccinated?
must they have prevaccinated? 	must I have been prevaccinating?
must you have been prevaccinating?
must he have been prevaccinating?
must we have been prevaccinating?
must you have been prevaccinating?
must they have been prevaccinating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not prevaccinate?
must you not prevaccinate?
must he not prevaccinate?
must we not prevaccinate?
must you not prevaccinate?
must they not prevaccinate? 	must I not be prevaccinating?
must you not be prevaccinating?
must he not be prevaccinating?
must we not be prevaccinating?
must you not be prevaccinating?
must they not be prevaccinating? 	must I not have prevaccinated?
must you not have prevaccinated?
must he not have prevaccinated?
must we not have prevaccinated?
must you not have prevaccinated?
must they not have prevaccinated? 	must I not have been prevaccinating?
must you not have been prevaccinating?
must he not have been prevaccinating?
must we not have been prevaccinating?
must you not have been prevaccinating?
must they not have been prevaccinating?