English verb conjugation
COULD PYRAMID

Regular verb: pyramid - pyramided - pyramided

Affirmation

Simple form	V-ing form
I could pyramid you could pyramid he could pyramid we could pyramid you could pyramid they could pyramid	I could be pyramiding you could be pyramiding he could be pyramiding we could be pyramiding you could be pyramiding they could be pyramiding
Perfect	V-ing perfect
I could have pyramided you could have pyramided he could have pyramided we could have pyramided you could have pyramided they could have pyramided	I could have been pyramiding you could have been pyramiding he could have been pyramiding we could have been pyramiding you could have been pyramiding they could have been pyramiding

Negation

Simple form	V-ing form
I could not pyramid you could not pyramid he could not pyramid we could not pyramid you could not pyramid they could not pyramid	I could not be pyramiding you could not be pyramiding he could not be pyramiding we could not be pyramiding you could not be pyramiding they could not be pyramiding
Perfect	V-ing perfect
I could not have pyramided you could not have pyramided he could not have pyramided we could not have pyramided you could not have pyramided they could not have pyramided	I could not have been pyramiding you could not have been pyramiding he could not have been pyramiding we could not have been pyramiding you could not have been pyramiding they could not have been pyramiding

Interrogative form

Simple form	V-ing form
could I pyramid? could you pyramid? could he pyramid? could we pyramid? could you pyramid? could they pyramid?	could I be pyramiding? could you be pyramiding? could he be pyramiding? could we be pyramiding? could you be pyramiding? could they be pyramiding?
Perfect	V-ing perfect
could I have pyramided? could you have pyramided? could he have pyramided? could we have pyramided? could you have pyramided? could they have pyramided?	could I have been pyramiding? could you have been pyramiding? could he have been pyramiding? could we have been pyramiding? could you have been pyramiding? could they have been pyramiding?

Interro-negative form

Simple form	V-ing form
could I not pyramid? could you not pyramid? could he not pyramid? could we not pyramid? could you not pyramid? could they not pyramid?	could I not be pyramiding? could you not be pyramiding? could he not be pyramiding? could we not be pyramiding? could you not be pyramiding? could they not be pyramiding?
Perfect	V-ing perfect
could I not have pyramided? could you not have pyramided? could he not have pyramided? could we not have pyramided? could you not have pyramided? could they not have pyramided?	could I not have been pyramiding? could you not have been pyramiding? could he not have been pyramiding? could we not have been pyramiding? could you not have been pyramiding? could they not have been pyramiding?