could liberalize
Regular verb: liberalize - liberalized- liberalized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could liberalize
you could liberalize
he could liberalize
we could liberalize
you could liberalize
they could liberalize 	I could be liberalizing
you could be liberalizing
he could be liberalizing
we could be liberalizing
you could be liberalizing
they could be liberalizing	I could have liberalized
you could have liberalized
he could have liberalized
we could have liberalized
you could have liberalized
they could have liberalized	I could have been liberalizing
you could have been liberalizing
he could have been liberalizing
we could have been liberalizing
you could have been liberalizing
they could have been liberalizing	

Negation 	
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I could not liberalize
you could not liberalize
he could not liberalize
we could not liberalize
you could not liberalize
they could not liberalize 	I could not be liberalizing
you could not be liberalizing
he could not be liberalizing
we could not be liberalizing
you could not be liberalizing
they could not be liberalizing	I could not have liberalized
you could not have liberalized
he could not have liberalized
we could not have liberalized
you could not have liberalized
they could not have liberalized	I could not have been liberalizing
you could not have been liberalizing
he could not have been liberalizing
we could not have been liberalizing
you could not have been liberalizing
they could not have been liberalizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I liberalize?
could you liberalize?
could he liberalize?
could we liberalize?
could you liberalize?
could they liberalize? 	could I be liberalizing?
could you be liberalizing?
could he be liberalizing?
could we be liberalizing?
could you be liberalizing?
could they be liberalizing? 	could I have liberalized?
could you have liberalized?
could he have liberalized?
could we have liberalized?
could you have liberalized?
could they have liberalized? 	could I have been liberalizing?
could you have been liberalizing?
could he have been liberalizing?
could we have been liberalizing?
could you have been liberalizing?
could they have been liberalizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not liberalize?
could you not liberalize?
could he not liberalize?
could we not liberalize?
could you not liberalize?
could they not liberalize? 	could I not be liberalizing?
could you not be liberalizing?
could he not be liberalizing?
could we not be liberalizing?
could you not be liberalizing?
could they not be liberalizing? 	could I not have liberalized?
could you not have liberalized?
could he not have liberalized?
could we not have liberalized?
could you not have liberalized?
could they not have liberalized? 	could I not have been liberalizing?
could you not have been liberalizing?
could he not have been liberalizing?
could we not have been liberalizing?
could you not have been liberalizing?
could they not have been liberalizing?