must cant
Verbo regular: cant - canted- canted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must cant
you must cant
she must cant
we must cant
you must cant
they must cant 	I must be canting
you must be canting
she must be canting
we must be canting
you must be canting
they must be canting	I must have canted
you must have canted
she must have canted
we must have canted
you must have canted
they must have canted	I must have been canting
you must have been canting
she must have been canting
we must have been canting
you must have been canting
they must have been canting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't cant
you mustn't cant
she mustn't cant
we mustn't cant
you mustn't cant
they mustn't cant 	I mustn't be canting
you mustn't be canting
she mustn't be canting
we mustn't be canting
you mustn't be canting
they mustn't be canting	I mustn't have canted
you mustn't have canted
she mustn't have canted
we mustn't have canted
you mustn't have canted
they mustn't have canted	I mustn't have been canting
you mustn't have been canting
she mustn't have been canting
we mustn't have been canting
you mustn't have been canting
they mustn't have been canting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I cant?
must you cant?
must she cant?
must we cant?
must you cant?
must they cant? 	must I be canting?
must you be canting?
must she be canting?
must we be canting?
must you be canting?
must they be canting? 	must I have canted?
must you have canted?
must she have canted?
must we have canted?
must you have canted?
must they have canted? 	must I have been canting?
must you have been canting?
must she have been canting?
must we have been canting?
must you have been canting?
must they have been canting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I cant?
mustn't you cant?
mustn't she cant?
mustn't we cant?
mustn't you cant?
mustn't they cant? 	mustn't I be canting?
mustn't you be canting?
mustn't she be canting?
mustn't we be canting?
mustn't you be canting?
mustn't they be canting? 	mustn't I have canted?
mustn't you have canted?
mustn't she have canted?
mustn't we have canted?
mustn't you have canted?
mustn't they have canted? 	mustn't I have been canting?
mustn't you have been canting?
mustn't she have been canting?
mustn't we have been canting?
mustn't you have been canting?
mustn't they have been canting?