must canton
Verbo regular: canton - cantoned- cantoned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must canton
you must canton
he must canton
we must canton
you must canton
they must canton 	I must be cantoning
you must be cantoning
he must be cantoning
we must be cantoning
you must be cantoning
they must be cantoning	I must have cantoned
you must have cantoned
he must have cantoned
we must have cantoned
you must have cantoned
they must have cantoned	I must have been cantoning
you must have been cantoning
he must have been cantoning
we must have been cantoning
you must have been cantoning
they must have been cantoning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not canton
you must not canton
he must not canton
we must not canton
you must not canton
they must not canton 	I must not be cantoning
you must not be cantoning
he must not be cantoning
we must not be cantoning
you must not be cantoning
they must not be cantoning	I must not have cantoned
you must not have cantoned
he must not have cantoned
we must not have cantoned
you must not have cantoned
they must not have cantoned	I must not have been cantoning
you must not have been cantoning
he must not have been cantoning
we must not have been cantoning
you must not have been cantoning
they must not have been cantoning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I canton?
must you canton?
must he canton?
must we canton?
must you canton?
must they canton? 	must I be cantoning?
must you be cantoning?
must he be cantoning?
must we be cantoning?
must you be cantoning?
must they be cantoning? 	must I have cantoned?
must you have cantoned?
must he have cantoned?
must we have cantoned?
must you have cantoned?
must they have cantoned? 	must I have been cantoning?
must you have been cantoning?
must he have been cantoning?
must we have been cantoning?
must you have been cantoning?
must they have been cantoning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not canton?
must you not canton?
must he not canton?
must we not canton?
must you not canton?
must they not canton? 	must I not be cantoning?
must you not be cantoning?
must he not be cantoning?
must we not be cantoning?
must you not be cantoning?
must they not be cantoning? 	must I not have cantoned?
must you not have cantoned?
must he not have cantoned?
must we not have cantoned?
must you not have cantoned?
must they not have cantoned? 	must I not have been cantoning?
must you not have been cantoning?
must he not have been cantoning?
must we not have been cantoning?
must you not have been cantoning?
must they not have been cantoning?