English verb conjugation
COULD IM

Regular verb: im - imed - imed

Affirmation

Simple form	V-ing form
I could im you could im he could im we could im you could im they could im	I could be iming you could be iming he could be iming we could be iming you could be iming they could be iming
Perfect	V-ing perfect
I could have imed you could have imed he could have imed we could have imed you could have imed they could have imed	I could have been iming you could have been iming he could have been iming we could have been iming you could have been iming they could have been iming

Negation

Simple form	V-ing form
I couldn't im you couldn't im he couldn't im we couldn't im you couldn't im they couldn't im	I couldn't be iming you couldn't be iming he couldn't be iming we couldn't be iming you couldn't be iming they couldn't be iming
Perfect	V-ing perfect
I couldn't have imed you couldn't have imed he couldn't have imed we couldn't have imed you couldn't have imed they couldn't have imed	I couldn't have been iming you couldn't have been iming he couldn't have been iming we couldn't have been iming you couldn't have been iming they couldn't have been iming

Interrogative form

Simple form	V-ing form
could I im? could you im? could he im? could we im? could you im? could they im?	could I be iming? could you be iming? could he be iming? could we be iming? could you be iming? could they be iming?
Perfect	V-ing perfect
could I have imed? could you have imed? could he have imed? could we have imed? could you have imed? could they have imed?	could I have been iming? could you have been iming? could he have been iming? could we have been iming? could you have been iming? could they have been iming?

Interro-negative form

Simple form	V-ing form
couldn't I im? couldn't you im? couldn't he im? couldn't we im? couldn't you im? couldn't they im?	couldn't I be iming? couldn't you be iming? couldn't he be iming? couldn't we be iming? couldn't you be iming? couldn't they be iming?
Perfect	V-ing perfect
couldn't I have imed? couldn't you have imed? couldn't he have imed? couldn't we have imed? couldn't you have imed? couldn't they have imed?	couldn't I have been iming? couldn't you have been iming? couldn't he have been iming? couldn't we have been iming? couldn't you have been iming? couldn't they have been iming?