English verb conjugation
COULD CAREEN

Regular verb: careen - careened - careened

Affirmation

Simple form	V-ing form
I could careen you could careen he could careen we could careen you could careen they could careen	I could be careening you could be careening he could be careening we could be careening you could be careening they could be careening
Perfect	V-ing perfect
I could have careened you could have careened he could have careened we could have careened you could have careened they could have careened	I could have been careening you could have been careening he could have been careening we could have been careening you could have been careening they could have been careening

Negation

Simple form	V-ing form
I could not careen you could not careen he could not careen we could not careen you could not careen they could not careen	I could not be careening you could not be careening he could not be careening we could not be careening you could not be careening they could not be careening
Perfect	V-ing perfect
I could not have careened you could not have careened he could not have careened we could not have careened you could not have careened they could not have careened	I could not have been careening you could not have been careening he could not have been careening we could not have been careening you could not have been careening they could not have been careening

Interrogative form

Simple form	V-ing form
could I careen? could you careen? could he careen? could we careen? could you careen? could they careen?	could I be careening? could you be careening? could he be careening? could we be careening? could you be careening? could they be careening?
Perfect	V-ing perfect
could I have careened? could you have careened? could he have careened? could we have careened? could you have careened? could they have careened?	could I have been careening? could you have been careening? could he have been careening? could we have been careening? could you have been careening? could they have been careening?

Interro-negative form

Simple form	V-ing form
could I not careen? could you not careen? could he not careen? could we not careen? could you not careen? could they not careen?	could I not be careening? could you not be careening? could he not be careening? could we not be careening? could you not be careening? could they not be careening?
Perfect	V-ing perfect
could I not have careened? could you not have careened? could he not have careened? could we not have careened? could you not have careened? could they not have careened?	could I not have been careening? could you not have been careening? could he not have been careening? could we not have been careening? could you not have been careening? could they not have been careening?