English verb conjugation
COULD TOKEN

Regular verb: token - tokened - tokened

Affirmation

Simple form	V-ing form
I could token you could token he could token we could token you could token they could token	I could be tokening you could be tokening he could be tokening we could be tokening you could be tokening they could be tokening
Perfect	V-ing perfect
I could have tokened you could have tokened he could have tokened we could have tokened you could have tokened they could have tokened	I could have been tokening you could have been tokening he could have been tokening we could have been tokening you could have been tokening they could have been tokening

Negation

Simple form	V-ing form
I could not token you could not token he could not token we could not token you could not token they could not token	I could not be tokening you could not be tokening he could not be tokening we could not be tokening you could not be tokening they could not be tokening
Perfect	V-ing perfect
I could not have tokened you could not have tokened he could not have tokened we could not have tokened you could not have tokened they could not have tokened	I could not have been tokening you could not have been tokening he could not have been tokening we could not have been tokening you could not have been tokening they could not have been tokening

Interrogative form

Simple form	V-ing form
could I token? could you token? could he token? could we token? could you token? could they token?	could I be tokening? could you be tokening? could he be tokening? could we be tokening? could you be tokening? could they be tokening?
Perfect	V-ing perfect
could I have tokened? could you have tokened? could he have tokened? could we have tokened? could you have tokened? could they have tokened?	could I have been tokening? could you have been tokening? could he have been tokening? could we have been tokening? could you have been tokening? could they have been tokening?

Interro-negative form

Simple form	V-ing form
could I not token? could you not token? could he not token? could we not token? could you not token? could they not token?	could I not be tokening? could you not be tokening? could he not be tokening? could we not be tokening? could you not be tokening? could they not be tokening?
Perfect	V-ing perfect
could I not have tokened? could you not have tokened? could he not have tokened? could we not have tokened? could you not have tokened? could they not have tokened?	could I not have been tokening? could you not have been tokening? could he not have been tokening? could we not have been tokening? could you not have been tokening? could they not have been tokening?