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 couldn't careen you couldn't careen he couldn't careen we couldn't careen you couldn't careen they couldn't careen	I couldn't be careening you couldn't be careening he couldn't be careening we couldn't be careening you couldn't be careening they couldn't be careening
Perfect	V-ing perfect
I couldn't have careened you couldn't have careened he couldn't have careened we couldn't have careened you couldn't have careened they couldn't have careened	I couldn't have been careening you couldn't have been careening he couldn't have been careening we couldn't have been careening you couldn't have been careening they couldn't 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
couldn't I careen? couldn't you careen? couldn't he careen? couldn't we careen? couldn't you careen? couldn't they careen?	couldn't I be careening? couldn't you be careening? couldn't he be careening? couldn't we be careening? couldn't you be careening? couldn't they be careening?
Perfect	V-ing perfect
couldn't I have careened? couldn't you have careened? couldn't he have careened? couldn't we have careened? couldn't you have careened? couldn't they have careened?	couldn't I have been careening? couldn't you have been careening? couldn't he have been careening? couldn't we have been careening? couldn't you have been careening? couldn't they have been careening?