English verb conjugation
COULD OVERTRUMP

Regular verb: overtrump - overtrumped - overtrumped

Affirmation

Simple form	V-ing form
I could overtrump you could overtrump he could overtrump we could overtrump you could overtrump they could overtrump	I could be overtrumping you could be overtrumping he could be overtrumping we could be overtrumping you could be overtrumping they could be overtrumping
Perfect	V-ing perfect
I could have overtrumped you could have overtrumped he could have overtrumped we could have overtrumped you could have overtrumped they could have overtrumped	I could have been overtrumping you could have been overtrumping he could have been overtrumping we could have been overtrumping you could have been overtrumping they could have been overtrumping

Negation

Simple form	V-ing form
I could not overtrump you could not overtrump he could not overtrump we could not overtrump you could not overtrump they could not overtrump	I could not be overtrumping you could not be overtrumping he could not be overtrumping we could not be overtrumping you could not be overtrumping they could not be overtrumping
Perfect	V-ing perfect
I could not have overtrumped you could not have overtrumped he could not have overtrumped we could not have overtrumped you could not have overtrumped they could not have overtrumped	I could not have been overtrumping you could not have been overtrumping he could not have been overtrumping we could not have been overtrumping you could not have been overtrumping they could not have been overtrumping

Interrogative form

Simple form	V-ing form
could I overtrump? could you overtrump? could he overtrump? could we overtrump? could you overtrump? could they overtrump?	could I be overtrumping? could you be overtrumping? could he be overtrumping? could we be overtrumping? could you be overtrumping? could they be overtrumping?
Perfect	V-ing perfect
could I have overtrumped? could you have overtrumped? could he have overtrumped? could we have overtrumped? could you have overtrumped? could they have overtrumped?	could I have been overtrumping? could you have been overtrumping? could he have been overtrumping? could we have been overtrumping? could you have been overtrumping? could they have been overtrumping?

Interro-negative form

Simple form	V-ing form
could I not overtrump? could you not overtrump? could he not overtrump? could we not overtrump? could you not overtrump? could they not overtrump?	could I not be overtrumping? could you not be overtrumping? could he not be overtrumping? could we not be overtrumping? could you not be overtrumping? could they not be overtrumping?
Perfect	V-ing perfect
could I not have overtrumped? could you not have overtrumped? could he not have overtrumped? could we not have overtrumped? could you not have overtrumped? could they not have overtrumped?	could I not have been overtrumping? could you not have been overtrumping? could he not have been overtrumping? could we not have been overtrumping? could you not have been overtrumping? could they not have been overtrumping?