could materialize
Verbo regular: materialize - materialized- materialized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could materialize
you could materialize
she could materialize
we could materialize
you could materialize
they could materialize 	I could be materializing
you could be materializing
she could be materializing
we could be materializing
you could be materializing
they could be materializing	I could have materialized
you could have materialized
she could have materialized
we could have materialized
you could have materialized
they could have materialized	I could have been materializing
you could have been materializing
she could have been materializing
we could have been materializing
you could have been materializing
they could have been materializing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not materialize
you could not materialize
she could not materialize
we could not materialize
you could not materialize
they could not materialize 	I could not be materializing
you could not be materializing
she could not be materializing
we could not be materializing
you could not be materializing
they could not be materializing	I could not have materialized
you could not have materialized
she could not have materialized
we could not have materialized
you could not have materialized
they could not have materialized	I could not have been materializing
you could not have been materializing
she could not have been materializing
we could not have been materializing
you could not have been materializing
they could not have been materializing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I materialize?
could you materialize?
could she materialize?
could we materialize?
could you materialize?
could they materialize? 	could I be materializing?
could you be materializing?
could she be materializing?
could we be materializing?
could you be materializing?
could they be materializing? 	could I have materialized?
could you have materialized?
could she have materialized?
could we have materialized?
could you have materialized?
could they have materialized? 	could I have been materializing?
could you have been materializing?
could she have been materializing?
could we have been materializing?
could you have been materializing?
could they have been materializing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not materialize?
could you not materialize?
could she not materialize?
could we not materialize?
could you not materialize?
could they not materialize? 	could I not be materializing?
could you not be materializing?
could she not be materializing?
could we not be materializing?
could you not be materializing?
could they not be materializing? 	could I not have materialized?
could you not have materialized?
could she not have materialized?
could we not have materialized?
could you not have materialized?
could they not have materialized? 	could I not have been materializing?
could you not have been materializing?
could she not have been materializing?
could we not have been materializing?
could you not have been materializing?
could they not have been materializing?