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