could commercialize
Regular verb: commercialize - commercialized- commercialized

Affirmation 	
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I could commercialize
you could commercialize
he could commercialize
we could commercialize
you could commercialize
they could commercialize 	I could be commercializing
you could be commercializing
he could be commercializing
we could be commercializing
you could be commercializing
they could be commercializing	I could have commercialized
you could have commercialized
he could have commercialized
we could have commercialized
you could have commercialized
they could have commercialized	I could have been commercializing
you could have been commercializing
he could have been commercializing
we could have been commercializing
you could have been commercializing
they could have been commercializing	

Negation 	
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I couldn't commercialize
you couldn't commercialize
he couldn't commercialize
we couldn't commercialize
you couldn't commercialize
they couldn't commercialize 	I couldn't be commercializing
you couldn't be commercializing
he couldn't be commercializing
we couldn't be commercializing
you couldn't be commercializing
they couldn't be commercializing	I couldn't have commercialized
you couldn't have commercialized
he couldn't have commercialized
we couldn't have commercialized
you couldn't have commercialized
they couldn't have commercialized	I couldn't have been commercializing
you couldn't have been commercializing
he couldn't have been commercializing
we couldn't have been commercializing
you couldn't have been commercializing
they couldn't have been commercializing	

Interrogative form 	
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could I commercialize?
could you commercialize?
could he commercialize?
could we commercialize?
could you commercialize?
could they commercialize? 	could I be commercializing?
could you be commercializing?
could he be commercializing?
could we be commercializing?
could you be commercializing?
could they be commercializing? 	could I have commercialized?
could you have commercialized?
could he have commercialized?
could we have commercialized?
could you have commercialized?
could they have commercialized? 	could I have been commercializing?
could you have been commercializing?
could he have been commercializing?
could we have been commercializing?
could you have been commercializing?
could they have been commercializing? 	

Interro-negative form 	
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couldn't I commercialize?
couldn't you commercialize?
couldn't he commercialize?
couldn't we commercialize?
couldn't you commercialize?
couldn't they commercialize? 	couldn't I be commercializing?
couldn't you be commercializing?
couldn't he be commercializing?
couldn't we be commercializing?
couldn't you be commercializing?
couldn't they be commercializing? 	couldn't I have commercialized?
couldn't you have commercialized?
couldn't he have commercialized?
couldn't we have commercialized?
couldn't you have commercialized?
couldn't they have commercialized? 	couldn't I have been commercializing?
couldn't you have been commercializing?
couldn't he have been commercializing?
couldn't we have been commercializing?
couldn't you have been commercializing?
couldn't they have been commercializing?