English verb conjugation
COULD INSTANCE

Regular verb: instance - instanced - instanced

Affirmation

Simple form	V-ing form
I could instance you could instance she could instance we could instance you could instance they could instance	I could be instancing you could be instancing she could be instancing we could be instancing you could be instancing they could be instancing
Perfect	V-ing perfect
I could have instanced you could have instanced she could have instanced we could have instanced you could have instanced they could have instanced	I could have been instancing you could have been instancing she could have been instancing we could have been instancing you could have been instancing they could have been instancing

Negation

Simple form	V-ing form
I could not instance you could not instance she could not instance we could not instance you could not instance they could not instance	I could not be instancing you could not be instancing she could not be instancing we could not be instancing you could not be instancing they could not be instancing
Perfect	V-ing perfect
I could not have instanced you could not have instanced she could not have instanced we could not have instanced you could not have instanced they could not have instanced	I could not have been instancing you could not have been instancing she could not have been instancing we could not have been instancing you could not have been instancing they could not have been instancing

Interrogative form

Simple form	V-ing form
could I instance? could you instance? could she instance? could we instance? could you instance? could they instance?	could I be instancing? could you be instancing? could she be instancing? could we be instancing? could you be instancing? could they be instancing?
Perfect	V-ing perfect
could I have instanced? could you have instanced? could she have instanced? could we have instanced? could you have instanced? could they have instanced?	could I have been instancing? could you have been instancing? could she have been instancing? could we have been instancing? could you have been instancing? could they have been instancing?

Interro-negative form

Simple form	V-ing form
could I not instance? could you not instance? could she not instance? could we not instance? could you not instance? could they not instance?	could I not be instancing? could you not be instancing? could she not be instancing? could we not be instancing? could you not be instancing? could they not be instancing?
Perfect	V-ing perfect
could I not have instanced? could you not have instanced? could she not have instanced? could we not have instanced? could you not have instanced? could they not have instanced?	could I not have been instancing? could you not have been instancing? could she not have been instancing? could we not have been instancing? could you not have been instancing? could they not have been instancing?