could free
Regular verb: free - freed- freed

Affirmation 	
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I could free
you could free
she could free
we could free
you could free
they could free 	I could be freeing
you could be freeing
she could be freeing
we could be freeing
you could be freeing
they could be freeing	I could have freed
you could have freed
she could have freed
we could have freed
you could have freed
they could have freed	I could have been freeing
you could have been freeing
she could have been freeing
we could have been freeing
you could have been freeing
they could have been freeing	

Negation 	
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I couldn't free
you couldn't free
she couldn't free
we couldn't free
you couldn't free
they couldn't free 	I couldn't be freeing
you couldn't be freeing
she couldn't be freeing
we couldn't be freeing
you couldn't be freeing
they couldn't be freeing	I couldn't have freed
you couldn't have freed
she couldn't have freed
we couldn't have freed
you couldn't have freed
they couldn't have freed	I couldn't have been freeing
you couldn't have been freeing
she couldn't have been freeing
we couldn't have been freeing
you couldn't have been freeing
they couldn't have been freeing	

Interrogative form 	
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could I free?
could you free?
could she free?
could we free?
could you free?
could they free? 	could I be freeing?
could you be freeing?
could she be freeing?
could we be freeing?
could you be freeing?
could they be freeing? 	could I have freed?
could you have freed?
could she have freed?
could we have freed?
could you have freed?
could they have freed? 	could I have been freeing?
could you have been freeing?
could she have been freeing?
could we have been freeing?
could you have been freeing?
could they have been freeing? 	

Interro-negative form 	
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couldn't I free?
couldn't you free?
couldn't she free?
couldn't we free?
couldn't you free?
couldn't they free? 	couldn't I be freeing?
couldn't you be freeing?
couldn't she be freeing?
couldn't we be freeing?
couldn't you be freeing?
couldn't they be freeing? 	couldn't I have freed?
couldn't you have freed?
couldn't she have freed?
couldn't we have freed?
couldn't you have freed?
couldn't they have freed? 	couldn't I have been freeing?
couldn't you have been freeing?
couldn't she have been freeing?
couldn't we have been freeing?
couldn't you have been freeing?
couldn't they have been freeing?