English verb conjugation
COULD STUN

Regular verb: stun - stunned - stunned

Affirmation

Simple form	V-ing form
I could stun you could stun she could stun we could stun you could stun they could stun	I could be stunning you could be stunning she could be stunning we could be stunning you could be stunning they could be stunning
Perfect	V-ing perfect
I could have stunned you could have stunned she could have stunned we could have stunned you could have stunned they could have stunned	I could have been stunning you could have been stunning she could have been stunning we could have been stunning you could have been stunning they could have been stunning

Negation

Simple form	V-ing form
I could not stun you could not stun she could not stun we could not stun you could not stun they could not stun	I could not be stunning you could not be stunning she could not be stunning we could not be stunning you could not be stunning they could not be stunning
Perfect	V-ing perfect
I could not have stunned you could not have stunned she could not have stunned we could not have stunned you could not have stunned they could not have stunned	I could not have been stunning you could not have been stunning she could not have been stunning we could not have been stunning you could not have been stunning they could not have been stunning

Interrogative form

Simple form	V-ing form
could I stun? could you stun? could she stun? could we stun? could you stun? could they stun?	could I be stunning? could you be stunning? could she be stunning? could we be stunning? could you be stunning? could they be stunning?
Perfect	V-ing perfect
could I have stunned? could you have stunned? could she have stunned? could we have stunned? could you have stunned? could they have stunned?	could I have been stunning? could you have been stunning? could she have been stunning? could we have been stunning? could you have been stunning? could they have been stunning?

Interro-negative form

Simple form	V-ing form
could I not stun? could you not stun? could she not stun? could we not stun? could you not stun? could they not stun?	could I not be stunning? could you not be stunning? could she not be stunning? could we not be stunning? could you not be stunning? could they not be stunning?
Perfect	V-ing perfect
could I not have stunned? could you not have stunned? could she not have stunned? could we not have stunned? could you not have stunned? could they not have stunned?	could I not have been stunning? could you not have been stunning? could she not have been stunning? could we not have been stunning? could you not have been stunning? could they not have been stunning?