could overbalance
Regular verb: overbalance - overbalanced- overbalanced

Affirmation 	
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I could overbalance
you could overbalance
she could overbalance
we could overbalance
you could overbalance
they could overbalance 	I could be overbalancing
you could be overbalancing
she could be overbalancing
we could be overbalancing
you could be overbalancing
they could be overbalancing	I could have overbalanced
you could have overbalanced
she could have overbalanced
we could have overbalanced
you could have overbalanced
they could have overbalanced	I could have been overbalancing
you could have been overbalancing
she could have been overbalancing
we could have been overbalancing
you could have been overbalancing
they could have been overbalancing	

Negation 	
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I could not overbalance
you could not overbalance
she could not overbalance
we could not overbalance
you could not overbalance
they could not overbalance 	I could not be overbalancing
you could not be overbalancing
she could not be overbalancing
we could not be overbalancing
you could not be overbalancing
they could not be overbalancing	I could not have overbalanced
you could not have overbalanced
she could not have overbalanced
we could not have overbalanced
you could not have overbalanced
they could not have overbalanced	I could not have been overbalancing
you could not have been overbalancing
she could not have been overbalancing
we could not have been overbalancing
you could not have been overbalancing
they could not have been overbalancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overbalance?
could you overbalance?
could she overbalance?
could we overbalance?
could you overbalance?
could they overbalance? 	could I be overbalancing?
could you be overbalancing?
could she be overbalancing?
could we be overbalancing?
could you be overbalancing?
could they be overbalancing? 	could I have overbalanced?
could you have overbalanced?
could she have overbalanced?
could we have overbalanced?
could you have overbalanced?
could they have overbalanced? 	could I have been overbalancing?
could you have been overbalancing?
could she have been overbalancing?
could we have been overbalancing?
could you have been overbalancing?
could they have been overbalancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not overbalance?
could you not overbalance?
could she not overbalance?
could we not overbalance?
could you not overbalance?
could they not overbalance? 	could I not be overbalancing?
could you not be overbalancing?
could she not be overbalancing?
could we not be overbalancing?
could you not be overbalancing?
could they not be overbalancing? 	could I not have overbalanced?
could you not have overbalanced?
could she not have overbalanced?
could we not have overbalanced?
could you not have overbalanced?
could they not have overbalanced? 	could I not have been overbalancing?
could you not have been overbalancing?
could she not have been overbalancing?
could we not have been overbalancing?
could you not have been overbalancing?
could they not have been overbalancing?