must talk
Verbo regular: talk - talked- talked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must talk
you must talk
he must talk
we must talk
you must talk
they must talk 	I must be talking
you must be talking
he must be talking
we must be talking
you must be talking
they must be talking	I must have talked
you must have talked
he must have talked
we must have talked
you must have talked
they must have talked	I must have been talking
you must have been talking
he must have been talking
we must have been talking
you must have been talking
they must have been talking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not talk
you must not talk
he must not talk
we must not talk
you must not talk
they must not talk 	I must not be talking
you must not be talking
he must not be talking
we must not be talking
you must not be talking
they must not be talking	I must not have talked
you must not have talked
he must not have talked
we must not have talked
you must not have talked
they must not have talked	I must not have been talking
you must not have been talking
he must not have been talking
we must not have been talking
you must not have been talking
they must not have been talking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I talk?
must you talk?
must he talk?
must we talk?
must you talk?
must they talk? 	must I be talking?
must you be talking?
must he be talking?
must we be talking?
must you be talking?
must they be talking? 	must I have talked?
must you have talked?
must he have talked?
must we have talked?
must you have talked?
must they have talked? 	must I have been talking?
must you have been talking?
must he have been talking?
must we have been talking?
must you have been talking?
must they have been talking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not talk?
must you not talk?
must he not talk?
must we not talk?
must you not talk?
must they not talk? 	must I not be talking?
must you not be talking?
must he not be talking?
must we not be talking?
must you not be talking?
must they not be talking? 	must I not have talked?
must you not have talked?
must he not have talked?
must we not have talked?
must you not have talked?
must they not have talked? 	must I not have been talking?
must you not have been talking?
must he not have been talking?
must we not have been talking?
must you not have been talking?
must they not have been talking?