English verb conjugation
COULD OVERINSTRUCT

Regular verb: overinstruct - overinstructed - overinstructed

Affirmation

Simple form	V-ing form
I could overinstruct you could overinstruct he could overinstruct we could overinstruct you could overinstruct they could overinstruct	I could be overinstructing you could be overinstructing he could be overinstructing we could be overinstructing you could be overinstructing they could be overinstructing
Perfect	V-ing perfect
I could have overinstructed you could have overinstructed he could have overinstructed we could have overinstructed you could have overinstructed they could have overinstructed	I could have been overinstructing you could have been overinstructing he could have been overinstructing we could have been overinstructing you could have been overinstructing they could have been overinstructing

Negation

Simple form	V-ing form
I could not overinstruct you could not overinstruct he could not overinstruct we could not overinstruct you could not overinstruct they could not overinstruct	I could not be overinstructing you could not be overinstructing he could not be overinstructing we could not be overinstructing you could not be overinstructing they could not be overinstructing
Perfect	V-ing perfect
I could not have overinstructed you could not have overinstructed he could not have overinstructed we could not have overinstructed you could not have overinstructed they could not have overinstructed	I could not have been overinstructing you could not have been overinstructing he could not have been overinstructing we could not have been overinstructing you could not have been overinstructing they could not have been overinstructing

Interrogative form

Simple form	V-ing form
could I overinstruct? could you overinstruct? could he overinstruct? could we overinstruct? could you overinstruct? could they overinstruct?	could I be overinstructing? could you be overinstructing? could he be overinstructing? could we be overinstructing? could you be overinstructing? could they be overinstructing?
Perfect	V-ing perfect
could I have overinstructed? could you have overinstructed? could he have overinstructed? could we have overinstructed? could you have overinstructed? could they have overinstructed?	could I have been overinstructing? could you have been overinstructing? could he have been overinstructing? could we have been overinstructing? could you have been overinstructing? could they have been overinstructing?

Interro-negative form

Simple form	V-ing form
could I not overinstruct? could you not overinstruct? could he not overinstruct? could we not overinstruct? could you not overinstruct? could they not overinstruct?	could I not be overinstructing? could you not be overinstructing? could he not be overinstructing? could we not be overinstructing? could you not be overinstructing? could they not be overinstructing?
Perfect	V-ing perfect
could I not have overinstructed? could you not have overinstructed? could he not have overinstructed? could we not have overinstructed? could you not have overinstructed? could they not have overinstructed?	could I not have been overinstructing? could you not have been overinstructing? could he not have been overinstructing? could we not have been overinstructing? could you not have been overinstructing? could they not have been overinstructing?