could metalize
Regular verb: metalize - metalized- metalized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could metalize
you could metalize
he could metalize
we could metalize
you could metalize
they could metalize 	I could be metalizing
you could be metalizing
he could be metalizing
we could be metalizing
you could be metalizing
they could be metalizing	I could have metalized
you could have metalized
he could have metalized
we could have metalized
you could have metalized
they could have metalized	I could have been metalizing
you could have been metalizing
he could have been metalizing
we could have been metalizing
you could have been metalizing
they could have been metalizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not metalize
you could not metalize
he could not metalize
we could not metalize
you could not metalize
they could not metalize 	I could not be metalizing
you could not be metalizing
he could not be metalizing
we could not be metalizing
you could not be metalizing
they could not be metalizing	I could not have metalized
you could not have metalized
he could not have metalized
we could not have metalized
you could not have metalized
they could not have metalized	I could not have been metalizing
you could not have been metalizing
he could not have been metalizing
we could not have been metalizing
you could not have been metalizing
they could not have been metalizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I metalize?
could you metalize?
could he metalize?
could we metalize?
could you metalize?
could they metalize? 	could I be metalizing?
could you be metalizing?
could he be metalizing?
could we be metalizing?
could you be metalizing?
could they be metalizing? 	could I have metalized?
could you have metalized?
could he have metalized?
could we have metalized?
could you have metalized?
could they have metalized? 	could I have been metalizing?
could you have been metalizing?
could he have been metalizing?
could we have been metalizing?
could you have been metalizing?
could they have been metalizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not metalize?
could you not metalize?
could he not metalize?
could we not metalize?
could you not metalize?
could they not metalize? 	could I not be metalizing?
could you not be metalizing?
could he not be metalizing?
could we not be metalizing?
could you not be metalizing?
could they not be metalizing? 	could I not have metalized?
could you not have metalized?
could he not have metalized?
could we not have metalized?
could you not have metalized?
could they not have metalized? 	could I not have been metalizing?
could you not have been metalizing?
could he not have been metalizing?
could we not have been metalizing?
could you not have been metalizing?
could they not have been metalizing?