English verb conjugation
COULD WITHDRAW

Irregular verb: withdraw - withdrew - withdrawn

Affirmation

Simple form	V-ing form
I could withdraw you could withdraw he could withdraw we could withdraw you could withdraw they could withdraw	I could be withdrawing you could be withdrawing he could be withdrawing we could be withdrawing you could be withdrawing they could be withdrawing
Perfect	V-ing perfect
I could have withdrawn you could have withdrawn he could have withdrawn we could have withdrawn you could have withdrawn they could have withdrawn	I could have been withdrawing you could have been withdrawing he could have been withdrawing we could have been withdrawing you could have been withdrawing they could have been withdrawing

Negation

Simple form	V-ing form
I could not withdraw you could not withdraw he could not withdraw we could not withdraw you could not withdraw they could not withdraw	I could not be withdrawing you could not be withdrawing he could not be withdrawing we could not be withdrawing you could not be withdrawing they could not be withdrawing
Perfect	V-ing perfect
I could not have withdrawn you could not have withdrawn he could not have withdrawn we could not have withdrawn you could not have withdrawn they could not have withdrawn	I could not have been withdrawing you could not have been withdrawing he could not have been withdrawing we could not have been withdrawing you could not have been withdrawing they could not have been withdrawing

Interrogative form

Simple form	V-ing form
could I withdraw? could you withdraw? could he withdraw? could we withdraw? could you withdraw? could they withdraw?	could I be withdrawing? could you be withdrawing? could he be withdrawing? could we be withdrawing? could you be withdrawing? could they be withdrawing?
Perfect	V-ing perfect
could I have withdrawn? could you have withdrawn? could he have withdrawn? could we have withdrawn? could you have withdrawn? could they have withdrawn?	could I have been withdrawing? could you have been withdrawing? could he have been withdrawing? could we have been withdrawing? could you have been withdrawing? could they have been withdrawing?

Interro-negative form

Simple form	V-ing form
could I not withdraw? could you not withdraw? could he not withdraw? could we not withdraw? could you not withdraw? could they not withdraw?	could I not be withdrawing? could you not be withdrawing? could he not be withdrawing? could we not be withdrawing? could you not be withdrawing? could they not be withdrawing?
Perfect	V-ing perfect
could I not have withdrawn? could you not have withdrawn? could he not have withdrawn? could we not have withdrawn? could you not have withdrawn? could they not have withdrawn?	could I not have been withdrawing? could you not have been withdrawing? could he not have been withdrawing? could we not have been withdrawing? could you not have been withdrawing? could they not have been withdrawing?