I could promote you could promote she could promote we could promote you could promote they could promote
V-ing form
I could be promoting you could be promoting she could be promoting we could be promoting you could be promoting they could be promoting
Perfect
I could have promoted you could have promoted she could have promoted we could have promoted you could have promoted they could have promoted
V-ing perfect
I could have been promoting you could have been promoting she could have been promoting we could have been promoting you could have been promoting they could have been promoting
Negation
Simple form
I could not promote you could not promote she could not promote we could not promote you could not promote they could not promote
V-ing form
I could not be promoting you could not be promoting she could not be promoting we could not be promoting you could not be promoting they could not be promoting
Perfect
I could not have promoted you could not have promoted she could not have promoted we could not have promoted you could not have promoted they could not have promoted
V-ing perfect
I could not have been promoting you could not have been promoting she could not have been promoting we could not have been promoting you could not have been promoting they could not have been promoting
Interrogative form
Simple form
could I promote? could you promote? could she promote? could we promote? could you promote? could they promote?
V-ing form
could I be promoting? could you be promoting? could she be promoting? could we be promoting? could you be promoting? could they be promoting?
Perfect
could I have promoted? could you have promoted? could she have promoted? could we have promoted? could you have promoted? could they have promoted?
V-ing perfect
could I have been promoting? could you have been promoting? could she have been promoting? could we have been promoting? could you have been promoting? could they have been promoting?
Interro-negative form
Simple form
could I not promote? could you not promote? could she not promote? could we not promote? could you not promote? could they not promote?
V-ing form
could I not be promoting? could you not be promoting? could she not be promoting? could we not be promoting? could you not be promoting? could they not be promoting?
Perfect
could I not have promoted? could you not have promoted? could she not have promoted? could we not have promoted? could you not have promoted? could they not have promoted?
V-ing perfect
could I not have been promoting? could you not have been promoting? could she not have been promoting? could we not have been promoting? could you not have been promoting? could they not have been promoting?