could loan
Regular verb: loan - loaned- loaned

Affirmation 	
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I could loan
you could loan
he could loan
we could loan
you could loan
they could loan 	I could be loaning
you could be loaning
he could be loaning
we could be loaning
you could be loaning
they could be loaning	I could have loaned
you could have loaned
he could have loaned
we could have loaned
you could have loaned
they could have loaned	I could have been loaning
you could have been loaning
he could have been loaning
we could have been loaning
you could have been loaning
they could have been loaning	

Negation 	
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I couldn't loan
you couldn't loan
he couldn't loan
we couldn't loan
you couldn't loan
they couldn't loan 	I couldn't be loaning
you couldn't be loaning
he couldn't be loaning
we couldn't be loaning
you couldn't be loaning
they couldn't be loaning	I couldn't have loaned
you couldn't have loaned
he couldn't have loaned
we couldn't have loaned
you couldn't have loaned
they couldn't have loaned	I couldn't have been loaning
you couldn't have been loaning
he couldn't have been loaning
we couldn't have been loaning
you couldn't have been loaning
they couldn't have been loaning	

Interrogative form 	
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could I loan?
could you loan?
could he loan?
could we loan?
could you loan?
could they loan? 	could I be loaning?
could you be loaning?
could he be loaning?
could we be loaning?
could you be loaning?
could they be loaning? 	could I have loaned?
could you have loaned?
could he have loaned?
could we have loaned?
could you have loaned?
could they have loaned? 	could I have been loaning?
could you have been loaning?
could he have been loaning?
could we have been loaning?
could you have been loaning?
could they have been loaning? 	

Interro-negative form 	
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couldn't I loan?
couldn't you loan?
couldn't he loan?
couldn't we loan?
couldn't you loan?
couldn't they loan? 	couldn't I be loaning?
couldn't you be loaning?
couldn't he be loaning?
couldn't we be loaning?
couldn't you be loaning?
couldn't they be loaning? 	couldn't I have loaned?
couldn't you have loaned?
couldn't he have loaned?
couldn't we have loaned?
couldn't you have loaned?
couldn't they have loaned? 	couldn't I have been loaning?
couldn't you have been loaning?
couldn't he have been loaning?
couldn't we have been loaning?
couldn't you have been loaning?
couldn't they have been loaning?