must prologue
Verbo regular: prologue - prologued- prologued

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must prologue
you must prologue
he must prologue
we must prologue
you must prologue
they must prologue 	I must be prologuing
you must be prologuing
he must be prologuing
we must be prologuing
you must be prologuing
they must be prologuing	I must have prologued
you must have prologued
he must have prologued
we must have prologued
you must have prologued
they must have prologued	I must have been prologuing
you must have been prologuing
he must have been prologuing
we must have been prologuing
you must have been prologuing
they must have been prologuing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not prologue
you must not prologue
he must not prologue
we must not prologue
you must not prologue
they must not prologue 	I must not be prologuing
you must not be prologuing
he must not be prologuing
we must not be prologuing
you must not be prologuing
they must not be prologuing	I must not have prologued
you must not have prologued
he must not have prologued
we must not have prologued
you must not have prologued
they must not have prologued	I must not have been prologuing
you must not have been prologuing
he must not have been prologuing
we must not have been prologuing
you must not have been prologuing
they must not have been prologuing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I prologue?
must you prologue?
must he prologue?
must we prologue?
must you prologue?
must they prologue? 	must I be prologuing?
must you be prologuing?
must he be prologuing?
must we be prologuing?
must you be prologuing?
must they be prologuing? 	must I have prologued?
must you have prologued?
must he have prologued?
must we have prologued?
must you have prologued?
must they have prologued? 	must I have been prologuing?
must you have been prologuing?
must he have been prologuing?
must we have been prologuing?
must you have been prologuing?
must they have been prologuing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not prologue?
must you not prologue?
must he not prologue?
must we not prologue?
must you not prologue?
must they not prologue? 	must I not be prologuing?
must you not be prologuing?
must he not be prologuing?
must we not be prologuing?
must you not be prologuing?
must they not be prologuing? 	must I not have prologued?
must you not have prologued?
must he not have prologued?
must we not have prologued?
must you not have prologued?
must they not have prologued? 	must I not have been prologuing?
must you not have been prologuing?
must he not have been prologuing?
must we not have been prologuing?
must you not have been prologuing?
must they not have been prologuing?