I could promote you could promote he could promote we could promote you could promote they could promote
Forma con V-ing
I could be promoting you could be promoting he could be promoting we could be promoting you could be promoting they could be promoting
Perfecto
I could have promoted you could have promoted he could have promoted we could have promoted you could have promoted they could have promoted
Perfecto con V-ing
I could have been promoting you could have been promoting he could have been promoting we could have been promoting you could have been promoting they could have been promoting
Negación
Forma simple
I couldn't promote you couldn't promote he couldn't promote we couldn't promote you couldn't promote they couldn't promote
Forma con V-ing
I couldn't be promoting you couldn't be promoting he couldn't be promoting we couldn't be promoting you couldn't be promoting they couldn't be promoting
Perfecto
I couldn't have promoted you couldn't have promoted he couldn't have promoted we couldn't have promoted you couldn't have promoted they couldn't have promoted
Perfecto con V-ing
I couldn't have been promoting you couldn't have been promoting he couldn't have been promoting we couldn't have been promoting you couldn't have been promoting they couldn't have been promoting
Forma interrogativa
Forma simple
could I promote? could you promote? could he promote? could we promote? could you promote? could they promote?
Forma con V-ing
could I be promoting? could you be promoting? could he be promoting? could we be promoting? could you be promoting? could they be promoting?
Perfecto
could I have promoted? could you have promoted? could he have promoted? could we have promoted? could you have promoted? could they have promoted?
Perfecto con V-ing
could I have been promoting? could you have been promoting? could he have been promoting? could we have been promoting? could you have been promoting? could they have been promoting?
Forma interro-negativa
Forma simple
couldn't I promote? couldn't you promote? couldn't he promote? couldn't we promote? couldn't you promote? couldn't they promote?
Forma con V-ing
couldn't I be promoting? couldn't you be promoting? couldn't he be promoting? couldn't we be promoting? couldn't you be promoting? couldn't they be promoting?
Perfecto
couldn't I have promoted? couldn't you have promoted? couldn't he have promoted? couldn't we have promoted? couldn't you have promoted? couldn't they have promoted?
Perfecto con V-ing
couldn't I have been promoting? couldn't you have been promoting? couldn't he have been promoting? couldn't we have been promoting? couldn't you have been promoting? couldn't they have been promoting?