English verb conjugation
COULD RIM

Regular verb: rim - rimed - rimed

Affirmation

Simple form	V-ing form
I could rim you could rim he could rim we could rim you could rim they could rim	I could be riming you could be riming he could be riming we could be riming you could be riming they could be riming
Perfect	V-ing perfect
I could have rimed you could have rimed he could have rimed we could have rimed you could have rimed they could have rimed	I could have been riming you could have been riming he could have been riming we could have been riming you could have been riming they could have been riming

Negation

Simple form	V-ing form
I could not rim you could not rim he could not rim we could not rim you could not rim they could not rim	I could not be riming you could not be riming he could not be riming we could not be riming you could not be riming they could not be riming
Perfect	V-ing perfect
I could not have rimed you could not have rimed he could not have rimed we could not have rimed you could not have rimed they could not have rimed	I could not have been riming you could not have been riming he could not have been riming we could not have been riming you could not have been riming they could not have been riming

Interrogative form

Simple form	V-ing form
could I rim? could you rim? could he rim? could we rim? could you rim? could they rim?	could I be riming? could you be riming? could he be riming? could we be riming? could you be riming? could they be riming?
Perfect	V-ing perfect
could I have rimed? could you have rimed? could he have rimed? could we have rimed? could you have rimed? could they have rimed?	could I have been riming? could you have been riming? could he have been riming? could we have been riming? could you have been riming? could they have been riming?

Interro-negative form

Simple form	V-ing form
could I not rim? could you not rim? could he not rim? could we not rim? could you not rim? could they not rim?	could I not be riming? could you not be riming? could he not be riming? could we not be riming? could you not be riming? could they not be riming?
Perfect	V-ing perfect
could I not have rimed? could you not have rimed? could he not have rimed? could we not have rimed? could you not have rimed? could they not have rimed?	could I not have been riming? could you not have been riming? could he not have been riming? could we not have been riming? could you not have been riming? could they not have been riming?