could feudalize
Regular verb: feudalize - feudalized- feudalized

Affirmation 	
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I could feudalize
you could feudalize
he could feudalize
we could feudalize
you could feudalize
they could feudalize 	I could be feudalizing
you could be feudalizing
he could be feudalizing
we could be feudalizing
you could be feudalizing
they could be feudalizing	I could have feudalized
you could have feudalized
he could have feudalized
we could have feudalized
you could have feudalized
they could have feudalized	I could have been feudalizing
you could have been feudalizing
he could have been feudalizing
we could have been feudalizing
you could have been feudalizing
they could have been feudalizing	

Negation 	
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I couldn't feudalize
you couldn't feudalize
he couldn't feudalize
we couldn't feudalize
you couldn't feudalize
they couldn't feudalize 	I couldn't be feudalizing
you couldn't be feudalizing
he couldn't be feudalizing
we couldn't be feudalizing
you couldn't be feudalizing
they couldn't be feudalizing	I couldn't have feudalized
you couldn't have feudalized
he couldn't have feudalized
we couldn't have feudalized
you couldn't have feudalized
they couldn't have feudalized	I couldn't have been feudalizing
you couldn't have been feudalizing
he couldn't have been feudalizing
we couldn't have been feudalizing
you couldn't have been feudalizing
they couldn't have been feudalizing	

Interrogative form 	
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could I feudalize?
could you feudalize?
could he feudalize?
could we feudalize?
could you feudalize?
could they feudalize? 	could I be feudalizing?
could you be feudalizing?
could he be feudalizing?
could we be feudalizing?
could you be feudalizing?
could they be feudalizing? 	could I have feudalized?
could you have feudalized?
could he have feudalized?
could we have feudalized?
could you have feudalized?
could they have feudalized? 	could I have been feudalizing?
could you have been feudalizing?
could he have been feudalizing?
could we have been feudalizing?
could you have been feudalizing?
could they have been feudalizing? 	

Interro-negative form 	
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couldn't I feudalize?
couldn't you feudalize?
couldn't he feudalize?
couldn't we feudalize?
couldn't you feudalize?
couldn't they feudalize? 	couldn't I be feudalizing?
couldn't you be feudalizing?
couldn't he be feudalizing?
couldn't we be feudalizing?
couldn't you be feudalizing?
couldn't they be feudalizing? 	couldn't I have feudalized?
couldn't you have feudalized?
couldn't he have feudalized?
couldn't we have feudalized?
couldn't you have feudalized?
couldn't they have feudalized? 	couldn't I have been feudalizing?
couldn't you have been feudalizing?
couldn't he have been feudalizing?
couldn't we have been feudalizing?
couldn't you have been feudalizing?
couldn't they have been feudalizing?