must reply
Verbo regular: reply - replied- replied

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must reply
you must reply
he must reply
we must reply
you must reply
they must reply 	I must be replying
you must be replying
he must be replying
we must be replying
you must be replying
they must be replying	I must have replied
you must have replied
he must have replied
we must have replied
you must have replied
they must have replied	I must have been replying
you must have been replying
he must have been replying
we must have been replying
you must have been replying
they must have been replying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not reply
you must not reply
he must not reply
we must not reply
you must not reply
they must not reply 	I must not be replying
you must not be replying
he must not be replying
we must not be replying
you must not be replying
they must not be replying	I must not have replied
you must not have replied
he must not have replied
we must not have replied
you must not have replied
they must not have replied	I must not have been replying
you must not have been replying
he must not have been replying
we must not have been replying
you must not have been replying
they must not have been replying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I reply?
must you reply?
must he reply?
must we reply?
must you reply?
must they reply? 	must I be replying?
must you be replying?
must he be replying?
must we be replying?
must you be replying?
must they be replying? 	must I have replied?
must you have replied?
must he have replied?
must we have replied?
must you have replied?
must they have replied? 	must I have been replying?
must you have been replying?
must he have been replying?
must we have been replying?
must you have been replying?
must they have been replying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not reply?
must you not reply?
must he not reply?
must we not reply?
must you not reply?
must they not reply? 	must I not be replying?
must you not be replying?
must he not be replying?
must we not be replying?
must you not be replying?
must they not be replying? 	must I not have replied?
must you not have replied?
must he not have replied?
must we not have replied?
must you not have replied?
must they not have replied? 	must I not have been replying?
must you not have been replying?
must he not have been replying?
must we not have been replying?
must you not have been replying?
must they not have been replying?