could localize
Regular verb: localize - localized- localized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could localize
you could localize
he could localize
we could localize
you could localize
they could localize 	I could be localizing
you could be localizing
he could be localizing
we could be localizing
you could be localizing
they could be localizing	I could have localized
you could have localized
he could have localized
we could have localized
you could have localized
they could have localized	I could have been localizing
you could have been localizing
he could have been localizing
we could have been localizing
you could have been localizing
they could have been localizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't localize
you couldn't localize
he couldn't localize
we couldn't localize
you couldn't localize
they couldn't localize 	I couldn't be localizing
you couldn't be localizing
he couldn't be localizing
we couldn't be localizing
you couldn't be localizing
they couldn't be localizing	I couldn't have localized
you couldn't have localized
he couldn't have localized
we couldn't have localized
you couldn't have localized
they couldn't have localized	I couldn't have been localizing
you couldn't have been localizing
he couldn't have been localizing
we couldn't have been localizing
you couldn't have been localizing
they couldn't have been localizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I localize?
could you localize?
could he localize?
could we localize?
could you localize?
could they localize? 	could I be localizing?
could you be localizing?
could he be localizing?
could we be localizing?
could you be localizing?
could they be localizing? 	could I have localized?
could you have localized?
could he have localized?
could we have localized?
could you have localized?
could they have localized? 	could I have been localizing?
could you have been localizing?
could he have been localizing?
could we have been localizing?
could you have been localizing?
could they have been localizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I localize?
couldn't you localize?
couldn't he localize?
couldn't we localize?
couldn't you localize?
couldn't they localize? 	couldn't I be localizing?
couldn't you be localizing?
couldn't he be localizing?
couldn't we be localizing?
couldn't you be localizing?
couldn't they be localizing? 	couldn't I have localized?
couldn't you have localized?
couldn't he have localized?
couldn't we have localized?
couldn't you have localized?
couldn't they have localized? 	couldn't I have been localizing?
couldn't you have been localizing?
couldn't he have been localizing?
couldn't we have been localizing?
couldn't you have been localizing?
couldn't they have been localizing?