could prefab
Verbo regular: prefab - prefabed- prefabed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could prefab
you could prefab
he could prefab
we could prefab
you could prefab
they could prefab 	I could be prefabing
you could be prefabing
he could be prefabing
we could be prefabing
you could be prefabing
they could be prefabing	I could have prefabed
you could have prefabed
he could have prefabed
we could have prefabed
you could have prefabed
they could have prefabed	I could have been prefabing
you could have been prefabing
he could have been prefabing
we could have been prefabing
you could have been prefabing
they could have been prefabing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not prefab
you could not prefab
he could not prefab
we could not prefab
you could not prefab
they could not prefab 	I could not be prefabing
you could not be prefabing
he could not be prefabing
we could not be prefabing
you could not be prefabing
they could not be prefabing	I could not have prefabed
you could not have prefabed
he could not have prefabed
we could not have prefabed
you could not have prefabed
they could not have prefabed	I could not have been prefabing
you could not have been prefabing
he could not have been prefabing
we could not have been prefabing
you could not have been prefabing
they could not have been prefabing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I prefab?
could you prefab?
could he prefab?
could we prefab?
could you prefab?
could they prefab? 	could I be prefabing?
could you be prefabing?
could he be prefabing?
could we be prefabing?
could you be prefabing?
could they be prefabing? 	could I have prefabed?
could you have prefabed?
could he have prefabed?
could we have prefabed?
could you have prefabed?
could they have prefabed? 	could I have been prefabing?
could you have been prefabing?
could he have been prefabing?
could we have been prefabing?
could you have been prefabing?
could they have been prefabing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not prefab?
could you not prefab?
could he not prefab?
could we not prefab?
could you not prefab?
could they not prefab? 	could I not be prefabing?
could you not be prefabing?
could he not be prefabing?
could we not be prefabing?
could you not be prefabing?
could they not be prefabing? 	could I not have prefabed?
could you not have prefabed?
could he not have prefabed?
could we not have prefabed?
could you not have prefabed?
could they not have prefabed? 	could I not have been prefabing?
could you not have been prefabing?
could he not have been prefabing?
could we not have been prefabing?
could you not have been prefabing?
could they not have been prefabing?