must prevaccinate
Verbo regular: prevaccinate - prevaccinated- prevaccinated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must prevaccinate
you must prevaccinate
she must prevaccinate
we must prevaccinate
you must prevaccinate
they must prevaccinate 	I must be prevaccinating
you must be prevaccinating
she must be prevaccinating
we must be prevaccinating
you must be prevaccinating
they must be prevaccinating	I must have prevaccinated
you must have prevaccinated
she 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
she must have been prevaccinating
we must have been prevaccinating
you must have been prevaccinating
they must have been prevaccinating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not prevaccinate
you must not prevaccinate
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
must I prevaccinate?
must you prevaccinate?
must she prevaccinate?
must we prevaccinate?
must you prevaccinate?
must they prevaccinate? 	must I be prevaccinating?
must you be prevaccinating?
must she be prevaccinating?
must we be prevaccinating?
must you be prevaccinating?
must they be prevaccinating? 	must I have prevaccinated?
must you have prevaccinated?
must she 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 she have been prevaccinating?
must we have been prevaccinating?
must you have been prevaccinating?
must they have been prevaccinating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not prevaccinate?
must you not prevaccinate?
must she 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 she 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 she 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 she not have been prevaccinating?
must we not have been prevaccinating?
must you not have been prevaccinating?
must they not have been prevaccinating?