English verb conjugation
COULD UNDRESS

Regular verb: undress - undressed - undressed

Affirmation

Simple form	V-ing form
I could undress you could undress he could undress we could undress you could undress they could undress	I could be undressing you could be undressing he could be undressing we could be undressing you could be undressing they could be undressing
Perfect	V-ing perfect
I could have undressed you could have undressed he could have undressed we could have undressed you could have undressed they could have undressed	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

Negation

Simple form	V-ing form
I could not undress you could not undress he could not undress we could not undress you could not undress they could not undress	I could not be undressing you could not be undressing he could not be undressing we could not be undressing you could not be undressing they could not be undressing
Perfect	V-ing perfect
I could not have undressed you could not have undressed he could not have undressed we could not have undressed you could not have undressed they could not have undressed	I could not have been undressing you could not have been undressing he could not have been undressing we could not have been undressing you could not have been undressing they could not have been undressing

Interrogative form

Simple form	V-ing form
could I undress? could you undress? could he undress? could we undress? could you undress? could they undress?	could I be undressing? could you be undressing? could he be undressing? could we be undressing? could you be undressing? could they be undressing?
Perfect	V-ing perfect
could I have undressed? could you have undressed? could he have undressed? could we have undressed? could you have undressed? could they have undressed?	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?

Interro-negative form

Simple form	V-ing form
could I not undress? could you not undress? could he not undress? could we not undress? could you not undress? could they not undress?	could I not be undressing? could you not be undressing? could he not be undressing? could we not be undressing? could you not be undressing? could they not be undressing?
Perfect	V-ing perfect
could I not have undressed? could you not have undressed? could he not have undressed? could we not have undressed? could you not have undressed? could they not have undressed?	could I not have been undressing? could you not have been undressing? could he not have been undressing? could we not have been undressing? could you not have been undressing? could they not have been undressing?