must chance
Verbo regular: chance - chanced- chanced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must chance
you must chance
he must chance
we must chance
you must chance
they must chance 	I must be chancing
you must be chancing
he must be chancing
we must be chancing
you must be chancing
they must be chancing	I must have chanced
you must have chanced
he must have chanced
we must have chanced
you must have chanced
they must have chanced	I must have been chancing
you must have been chancing
he must have been chancing
we must have been chancing
you must have been chancing
they must have been chancing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not chance
you must not chance
he must not chance
we must not chance
you must not chance
they must not chance 	I must not be chancing
you must not be chancing
he must not be chancing
we must not be chancing
you must not be chancing
they must not be chancing	I must not have chanced
you must not have chanced
he must not have chanced
we must not have chanced
you must not have chanced
they must not have chanced	I must not have been chancing
you must not have been chancing
he must not have been chancing
we must not have been chancing
you must not have been chancing
they must not have been chancing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I chance?
must you chance?
must he chance?
must we chance?
must you chance?
must they chance? 	must I be chancing?
must you be chancing?
must he be chancing?
must we be chancing?
must you be chancing?
must they be chancing? 	must I have chanced?
must you have chanced?
must he have chanced?
must we have chanced?
must you have chanced?
must they have chanced? 	must I have been chancing?
must you have been chancing?
must he have been chancing?
must we have been chancing?
must you have been chancing?
must they have been chancing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not chance?
must you not chance?
must he not chance?
must we not chance?
must you not chance?
must they not chance? 	must I not be chancing?
must you not be chancing?
must he not be chancing?
must we not be chancing?
must you not be chancing?
must they not be chancing? 	must I not have chanced?
must you not have chanced?
must he not have chanced?
must we not have chanced?
must you not have chanced?
must they not have chanced? 	must I not have been chancing?
must you not have been chancing?
must he not have been chancing?
must we not have been chancing?
must you not have been chancing?
must they not have been chancing?