could prologue
Verbo regular: prologue - prologued- prologued

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could prologue
you could prologue
he could prologue
we could prologue
you could prologue
they could prologue 	I could be prologuing
you could be prologuing
he could be prologuing
we could be prologuing
you could be prologuing
they could be prologuing	I could have prologued
you could have prologued
he could have prologued
we could have prologued
you could have prologued
they could have prologued	I could have been prologuing
you could have been prologuing
he could have been prologuing
we could have been prologuing
you could have been prologuing
they could have been prologuing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not prologue
you could not prologue
he could not prologue
we could not prologue
you could not prologue
they could not prologue 	I could not be prologuing
you could not be prologuing
he could not be prologuing
we could not be prologuing
you could not be prologuing
they could not be prologuing	I could not have prologued
you could not have prologued
he could not have prologued
we could not have prologued
you could not have prologued
they could not have prologued	I could not have been prologuing
you could not have been prologuing
he could not have been prologuing
we could not have been prologuing
you could not have been prologuing
they could not have been prologuing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I prologue?
could you prologue?
could he prologue?
could we prologue?
could you prologue?
could they prologue? 	could I be prologuing?
could you be prologuing?
could he be prologuing?
could we be prologuing?
could you be prologuing?
could they be prologuing? 	could I have prologued?
could you have prologued?
could he have prologued?
could we have prologued?
could you have prologued?
could they have prologued? 	could I have been prologuing?
could you have been prologuing?
could he have been prologuing?
could we have been prologuing?
could you have been prologuing?
could they have been prologuing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not prologue?
could you not prologue?
could he not prologue?
could we not prologue?
could you not prologue?
could they not prologue? 	could I not be prologuing?
could you not be prologuing?
could he not be prologuing?
could we not be prologuing?
could you not be prologuing?
could they not be prologuing? 	could I not have prologued?
could you not have prologued?
could he not have prologued?
could we not have prologued?
could you not have prologued?
could they not have prologued? 	could I not have been prologuing?
could you not have been prologuing?
could he not have been prologuing?
could we not have been prologuing?
could you not have been prologuing?
could they not have been prologuing?