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