I could depilate you could depilate he could depilate we could depilate you could depilate they could depilate
V-ing form
I could be depilating you could be depilating he could be depilating we could be depilating you could be depilating they could be depilating
Perfect
I could have depilated you could have depilated he could have depilated we could have depilated you could have depilated they could have depilated
V-ing perfect
I could have been depilating you could have been depilating he could have been depilating we could have been depilating you could have been depilating they could have been depilating
Negation
Simple form
I could not depilate you could not depilate he could not depilate we could not depilate you could not depilate they could not depilate
V-ing form
I could not be depilating you could not be depilating he could not be depilating we could not be depilating you could not be depilating they could not be depilating
Perfect
I could not have depilated you could not have depilated he could not have depilated we could not have depilated you could not have depilated they could not have depilated
V-ing perfect
I could not have been depilating you could not have been depilating he could not have been depilating we could not have been depilating you could not have been depilating they could not have been depilating
Interrogative form
Simple form
could I depilate? could you depilate? could he depilate? could we depilate? could you depilate? could they depilate?
V-ing form
could I be depilating? could you be depilating? could he be depilating? could we be depilating? could you be depilating? could they be depilating?
Perfect
could I have depilated? could you have depilated? could he have depilated? could we have depilated? could you have depilated? could they have depilated?
V-ing perfect
could I have been depilating? could you have been depilating? could he have been depilating? could we have been depilating? could you have been depilating? could they have been depilating?
Interro-negative form
Simple form
could I not depilate? could you not depilate? could he not depilate? could we not depilate? could you not depilate? could they not depilate?
V-ing form
could I not be depilating? could you not be depilating? could he not be depilating? could we not be depilating? could you not be depilating? could they not be depilating?
Perfect
could I not have depilated? could you not have depilated? could he not have depilated? could we not have depilated? could you not have depilated? could they not have depilated?
V-ing perfect
could I not have been depilating? could you not have been depilating? could he not have been depilating? could we not have been depilating? could you not have been depilating? could they not have been depilating?