English verb conjugation
COULD TOPE

Regular verb: tope - toped - toped

Affirmation

Simple form	V-ing form
I could tope you could tope he could tope we could tope you could tope they could tope	I could be toping you could be toping he could be toping we could be toping you could be toping they could be toping
Perfect	V-ing perfect
I could have toped you could have toped he could have toped we could have toped you could have toped they could have toped	I could have been toping you could have been toping he could have been toping we could have been toping you could have been toping they could have been toping

Negation

Simple form	V-ing form
I could not tope you could not tope he could not tope we could not tope you could not tope they could not tope	I could not be toping you could not be toping he could not be toping we could not be toping you could not be toping they could not be toping
Perfect	V-ing perfect
I could not have toped you could not have toped he could not have toped we could not have toped you could not have toped they could not have toped	I could not have been toping you could not have been toping he could not have been toping we could not have been toping you could not have been toping they could not have been toping

Interrogative form

Simple form	V-ing form
could I tope? could you tope? could he tope? could we tope? could you tope? could they tope?	could I be toping? could you be toping? could he be toping? could we be toping? could you be toping? could they be toping?
Perfect	V-ing perfect
could I have toped? could you have toped? could he have toped? could we have toped? could you have toped? could they have toped?	could I have been toping? could you have been toping? could he have been toping? could we have been toping? could you have been toping? could they have been toping?

Interro-negative form

Simple form	V-ing form
could I not tope? could you not tope? could he not tope? could we not tope? could you not tope? could they not tope?	could I not be toping? could you not be toping? could he not be toping? could we not be toping? could you not be toping? could they not be toping?
Perfect	V-ing perfect
could I not have toped? could you not have toped? could he not have toped? could we not have toped? could you not have toped? could they not have toped?	could I not have been toping? could you not have been toping? could he not have been toping? could we not have been toping? could you not have been toping? could they not have been toping?