could apportion
Regular verb: apportion - apportioned- apportioned

Affirmation 	
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I could apportion
you could apportion
he could apportion
we could apportion
you could apportion
they could apportion 	I could be apportioning
you could be apportioning
he could be apportioning
we could be apportioning
you could be apportioning
they could be apportioning	I could have apportioned
you could have apportioned
he could have apportioned
we could have apportioned
you could have apportioned
they could have apportioned	I could have been apportioning
you could have been apportioning
he could have been apportioning
we could have been apportioning
you could have been apportioning
they could have been apportioning	

Negation 	
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I couldn't apportion
you couldn't apportion
he couldn't apportion
we couldn't apportion
you couldn't apportion
they couldn't apportion 	I couldn't be apportioning
you couldn't be apportioning
he couldn't be apportioning
we couldn't be apportioning
you couldn't be apportioning
they couldn't be apportioning	I couldn't have apportioned
you couldn't have apportioned
he couldn't have apportioned
we couldn't have apportioned
you couldn't have apportioned
they couldn't have apportioned	I couldn't have been apportioning
you couldn't have been apportioning
he couldn't have been apportioning
we couldn't have been apportioning
you couldn't have been apportioning
they couldn't have been apportioning	

Interrogative form 	
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could I apportion?
could you apportion?
could he apportion?
could we apportion?
could you apportion?
could they apportion? 	could I be apportioning?
could you be apportioning?
could he be apportioning?
could we be apportioning?
could you be apportioning?
could they be apportioning? 	could I have apportioned?
could you have apportioned?
could he have apportioned?
could we have apportioned?
could you have apportioned?
could they have apportioned? 	could I have been apportioning?
could you have been apportioning?
could he have been apportioning?
could we have been apportioning?
could you have been apportioning?
could they have been apportioning? 	

Interro-negative form 	
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couldn't I apportion?
couldn't you apportion?
couldn't he apportion?
couldn't we apportion?
couldn't you apportion?
couldn't they apportion? 	couldn't I be apportioning?
couldn't you be apportioning?
couldn't he be apportioning?
couldn't we be apportioning?
couldn't you be apportioning?
couldn't they be apportioning? 	couldn't I have apportioned?
couldn't you have apportioned?
couldn't he have apportioned?
couldn't we have apportioned?
couldn't you have apportioned?
couldn't they have apportioned? 	couldn't I have been apportioning?
couldn't you have been apportioning?
couldn't he have been apportioning?
couldn't we have been apportioning?
couldn't you have been apportioning?
couldn't they have been apportioning?