could overborrow
Regular verb: overborrow - overborrowed- overborrowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overborrow
you could overborrow
she could overborrow
we could overborrow
you could overborrow
they could overborrow 	I could be overborrowing
you could be overborrowing
she could be overborrowing
we could be overborrowing
you could be overborrowing
they could be overborrowing	I could have overborrowed
you could have overborrowed
she could have overborrowed
we could have overborrowed
you could have overborrowed
they could have overborrowed	I could have been overborrowing
you could have been overborrowing
she could have been overborrowing
we could have been overborrowing
you could have been overborrowing
they could have been overborrowing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't overborrow
you couldn't overborrow
she couldn't overborrow
we couldn't overborrow
you couldn't overborrow
they couldn't overborrow 	I couldn't be overborrowing
you couldn't be overborrowing
she couldn't be overborrowing
we couldn't be overborrowing
you couldn't be overborrowing
they couldn't be overborrowing	I couldn't have overborrowed
you couldn't have overborrowed
she couldn't have overborrowed
we couldn't have overborrowed
you couldn't have overborrowed
they couldn't have overborrowed	I couldn't have been overborrowing
you couldn't have been overborrowing
she couldn't have been overborrowing
we couldn't have been overborrowing
you couldn't have been overborrowing
they couldn't have been overborrowing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overborrow?
could you overborrow?
could she overborrow?
could we overborrow?
could you overborrow?
could they overborrow? 	could I be overborrowing?
could you be overborrowing?
could she be overborrowing?
could we be overborrowing?
could you be overborrowing?
could they be overborrowing? 	could I have overborrowed?
could you have overborrowed?
could she have overborrowed?
could we have overborrowed?
could you have overborrowed?
could they have overborrowed? 	could I have been overborrowing?
could you have been overborrowing?
could she have been overborrowing?
could we have been overborrowing?
could you have been overborrowing?
could they have been overborrowing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I overborrow?
couldn't you overborrow?
couldn't she overborrow?
couldn't we overborrow?
couldn't you overborrow?
couldn't they overborrow? 	couldn't I be overborrowing?
couldn't you be overborrowing?
couldn't she be overborrowing?
couldn't we be overborrowing?
couldn't you be overborrowing?
couldn't they be overborrowing? 	couldn't I have overborrowed?
couldn't you have overborrowed?
couldn't she have overborrowed?
couldn't we have overborrowed?
couldn't you have overborrowed?
couldn't they have overborrowed? 	couldn't I have been overborrowing?
couldn't you have been overborrowing?
couldn't she have been overborrowing?
couldn't we have been overborrowing?
couldn't you have been overborrowing?
couldn't they have been overborrowing?