I can promote you can promote he can promote we can promote you can promote they can promote
V-ing form
I can be promoting you can be promoting he can be promoting we can be promoting you can be promoting they can be promoting
Perfect
I can have promoted you can have promoted he can have promoted we can have promoted you can have promoted they can have promoted
V-ing perfect
I can have been promoting you can have been promoting he can have been promoting we can have been promoting you can have been promoting they can have been promoting
Negation
Simple form
I can't promote you can't promote he can't promote we can't promote you can't promote they can't promote
V-ing form
I can't be promoting you can't be promoting he can't be promoting we can't be promoting you can't be promoting they can't be promoting
Perfect
I can't have promoted you can't have promoted he can't have promoted we can't have promoted you can't have promoted they can't have promoted
V-ing perfect
I can't have been promoting you can't have been promoting he can't have been promoting we can't have been promoting you can't have been promoting they can't have been promoting
Interrogative form
Simple form
can I promote? can you promote? can he promote? can we promote? can you promote? can they promote?
V-ing form
can I be promoting? can you be promoting? can he be promoting? can we be promoting? can you be promoting? can they be promoting?
Perfect
can I have promoted? can you have promoted? can he have promoted? can we have promoted? can you have promoted? can they have promoted?
V-ing perfect
can I have been promoting? can you have been promoting? can he have been promoting? can we have been promoting? can you have been promoting? can they have been promoting?
Interro-negative form
Simple form
can't I promote? can't you promote? can't he promote? can't we promote? can't you promote? can't they promote?
V-ing form
can't I be promoting? can't you be promoting? can't he be promoting? can't we be promoting? can't you be promoting? can't they be promoting?
Perfect
can't I have promoted? can't you have promoted? can't he have promoted? can't we have promoted? can't you have promoted? can't they have promoted?
V-ing perfect
can't I have been promoting? can't you have been promoting? can't he have been promoting? can't we have been promoting? can't you have been promoting? can't they have been promoting?