must corn
Verbo regular: corn - corned- corned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must corn
you must corn
she must corn
we must corn
you must corn
they must corn 	I must be corning
you must be corning
she must be corning
we must be corning
you must be corning
they must be corning	I must have corned
you must have corned
she must have corned
we must have corned
you must have corned
they must have corned	I must have been corning
you must have been corning
she must have been corning
we must have been corning
you must have been corning
they must have been corning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not corn
you must not corn
she must not corn
we must not corn
you must not corn
they must not corn 	I must not be corning
you must not be corning
she must not be corning
we must not be corning
you must not be corning
they must not be corning	I must not have corned
you must not have corned
she must not have corned
we must not have corned
you must not have corned
they must not have corned	I must not have been corning
you must not have been corning
she must not have been corning
we must not have been corning
you must not have been corning
they must not have been corning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I corn?
must you corn?
must she corn?
must we corn?
must you corn?
must they corn? 	must I be corning?
must you be corning?
must she be corning?
must we be corning?
must you be corning?
must they be corning? 	must I have corned?
must you have corned?
must she have corned?
must we have corned?
must you have corned?
must they have corned? 	must I have been corning?
must you have been corning?
must she have been corning?
must we have been corning?
must you have been corning?
must they have been corning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not corn?
must you not corn?
must she not corn?
must we not corn?
must you not corn?
must they not corn? 	must I not be corning?
must you not be corning?
must she not be corning?
must we not be corning?
must you not be corning?
must they not be corning? 	must I not have corned?
must you not have corned?
must she not have corned?
must we not have corned?
must you not have corned?
must they not have corned? 	must I not have been corning?
must you not have been corning?
must she not have been corning?
must we not have been corning?
must you not have been corning?
must they not have been corning?