must ruminate
Verbo regular: ruminate - ruminated- ruminated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must ruminate
you must ruminate
he must ruminate
we must ruminate
you must ruminate
they must ruminate 	I must be ruminating
you must be ruminating
he must be ruminating
we must be ruminating
you must be ruminating
they must be ruminating	I must have ruminated
you must have ruminated
he must have ruminated
we must have ruminated
you must have ruminated
they must have ruminated	I must have been ruminating
you must have been ruminating
he must have been ruminating
we must have been ruminating
you must have been ruminating
they must have been ruminating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not ruminate
you must not ruminate
he must not ruminate
we must not ruminate
you must not ruminate
they must not ruminate 	I must not be ruminating
you must not be ruminating
he must not be ruminating
we must not be ruminating
you must not be ruminating
they must not be ruminating	I must not have ruminated
you must not have ruminated
he must not have ruminated
we must not have ruminated
you must not have ruminated
they must not have ruminated	I must not have been ruminating
you must not have been ruminating
he must not have been ruminating
we must not have been ruminating
you must not have been ruminating
they must not have been ruminating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I ruminate?
must you ruminate?
must he ruminate?
must we ruminate?
must you ruminate?
must they ruminate? 	must I be ruminating?
must you be ruminating?
must he be ruminating?
must we be ruminating?
must you be ruminating?
must they be ruminating? 	must I have ruminated?
must you have ruminated?
must he have ruminated?
must we have ruminated?
must you have ruminated?
must they have ruminated? 	must I have been ruminating?
must you have been ruminating?
must he have been ruminating?
must we have been ruminating?
must you have been ruminating?
must they have been ruminating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not ruminate?
must you not ruminate?
must he not ruminate?
must we not ruminate?
must you not ruminate?
must they not ruminate? 	must I not be ruminating?
must you not be ruminating?
must he not be ruminating?
must we not be ruminating?
must you not be ruminating?
must they not be ruminating? 	must I not have ruminated?
must you not have ruminated?
must he not have ruminated?
must we not have ruminated?
must you not have ruminated?
must they not have ruminated? 	must I not have been ruminating?
must you not have been ruminating?
must he not have been ruminating?
must we not have been ruminating?
must you not have been ruminating?
must they not have been ruminating?