must chant
Verbo regular: chant - chanted- chanted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must chant
you must chant
he must chant
we must chant
you must chant
they must chant 	I must be chanting
you must be chanting
he must be chanting
we must be chanting
you must be chanting
they must be chanting	I must have chanted
you must have chanted
he must have chanted
we must have chanted
you must have chanted
they must have chanted	I must have been chanting
you must have been chanting
he must have been chanting
we must have been chanting
you must have been chanting
they must have been chanting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not chant
you must not chant
he must not chant
we must not chant
you must not chant
they must not chant 	I must not be chanting
you must not be chanting
he must not be chanting
we must not be chanting
you must not be chanting
they must not be chanting	I must not have chanted
you must not have chanted
he must not have chanted
we must not have chanted
you must not have chanted
they must not have chanted	I must not have been chanting
you must not have been chanting
he must not have been chanting
we must not have been chanting
you must not have been chanting
they must not have been chanting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I chant?
must you chant?
must he chant?
must we chant?
must you chant?
must they chant? 	must I be chanting?
must you be chanting?
must he be chanting?
must we be chanting?
must you be chanting?
must they be chanting? 	must I have chanted?
must you have chanted?
must he have chanted?
must we have chanted?
must you have chanted?
must they have chanted? 	must I have been chanting?
must you have been chanting?
must he have been chanting?
must we have been chanting?
must you have been chanting?
must they have been chanting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not chant?
must you not chant?
must he not chant?
must we not chant?
must you not chant?
must they not chant? 	must I not be chanting?
must you not be chanting?
must he not be chanting?
must we not be chanting?
must you not be chanting?
must they not be chanting? 	must I not have chanted?
must you not have chanted?
must he not have chanted?
must we not have chanted?
must you not have chanted?
must they not have chanted? 	must I not have been chanting?
must you not have been chanting?
must he not have been chanting?
must we not have been chanting?
must you not have been chanting?
must they not have been chanting?