could canalize
Regular verb: canalize - canalized- canalized

Affirmation 	
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I could canalize
you could canalize
he could canalize
we could canalize
you could canalize
they could canalize 	I could be canalizing
you could be canalizing
he could be canalizing
we could be canalizing
you could be canalizing
they could be canalizing	I could have canalized
you could have canalized
he could have canalized
we could have canalized
you could have canalized
they could have canalized	I could have been canalizing
you could have been canalizing
he could have been canalizing
we could have been canalizing
you could have been canalizing
they could have been canalizing	

Negation 	
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I couldn't canalize
you couldn't canalize
he couldn't canalize
we couldn't canalize
you couldn't canalize
they couldn't canalize 	I couldn't be canalizing
you couldn't be canalizing
he couldn't be canalizing
we couldn't be canalizing
you couldn't be canalizing
they couldn't be canalizing	I couldn't have canalized
you couldn't have canalized
he couldn't have canalized
we couldn't have canalized
you couldn't have canalized
they couldn't have canalized	I couldn't have been canalizing
you couldn't have been canalizing
he couldn't have been canalizing
we couldn't have been canalizing
you couldn't have been canalizing
they couldn't have been canalizing	

Interrogative form 	
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could I canalize?
could you canalize?
could he canalize?
could we canalize?
could you canalize?
could they canalize? 	could I be canalizing?
could you be canalizing?
could he be canalizing?
could we be canalizing?
could you be canalizing?
could they be canalizing? 	could I have canalized?
could you have canalized?
could he have canalized?
could we have canalized?
could you have canalized?
could they have canalized? 	could I have been canalizing?
could you have been canalizing?
could he have been canalizing?
could we have been canalizing?
could you have been canalizing?
could they have been canalizing? 	

Interro-negative form 	
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couldn't I canalize?
couldn't you canalize?
couldn't he canalize?
couldn't we canalize?
couldn't you canalize?
couldn't they canalize? 	couldn't I be canalizing?
couldn't you be canalizing?
couldn't he be canalizing?
couldn't we be canalizing?
couldn't you be canalizing?
couldn't they be canalizing? 	couldn't I have canalized?
couldn't you have canalized?
couldn't he have canalized?
couldn't we have canalized?
couldn't you have canalized?
couldn't they have canalized? 	couldn't I have been canalizing?
couldn't you have been canalizing?
couldn't he have been canalizing?
couldn't we have been canalizing?
couldn't you have been canalizing?
couldn't they have been canalizing?