English verb conjugation
COULD OVERBALANCE

Regular verb: overbalance - overbalanced - overbalanced

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Simple form	V-ing form
I couldn't overbalance you couldn't overbalance she couldn't overbalance we couldn't overbalance you couldn't overbalance they couldn't overbalance	I couldn't be overbalancing you couldn't be overbalancing she couldn't be overbalancing we couldn't be overbalancing you couldn't be overbalancing they couldn't be overbalancing
Perfect	V-ing perfect
I couldn't have overbalanced you couldn't have overbalanced she couldn't have overbalanced we couldn't have overbalanced you couldn't have overbalanced they couldn't have overbalanced	I couldn't have been overbalancing you couldn't have been overbalancing she couldn't have been overbalancing we couldn't have been overbalancing you couldn't have been overbalancing they couldn't have been overbalancing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
couldn't I overbalance? couldn't you overbalance? couldn't she overbalance? couldn't we overbalance? couldn't you overbalance? couldn't they overbalance?	couldn't I be overbalancing? couldn't you be overbalancing? couldn't she be overbalancing? couldn't we be overbalancing? couldn't you be overbalancing? couldn't they be overbalancing?
Perfect	V-ing perfect
couldn't I have overbalanced? couldn't you have overbalanced? couldn't she have overbalanced? couldn't we have overbalanced? couldn't you have overbalanced? couldn't they have overbalanced?	couldn't I have been overbalancing? couldn't you have been overbalancing? couldn't she have been overbalancing? couldn't we have been overbalancing? couldn't you have been overbalancing? couldn't they have been overbalancing?