English verb conjugation
COULD INK

Regular verb: ink - inked - inked

Affirmation

Simple form	V-ing form
I could ink you could ink he could ink we could ink you could ink they could ink	I could be inking you could be inking he could be inking we could be inking you could be inking they could be inking
Perfect	V-ing perfect
I could have inked you could have inked he could have inked we could have inked you could have inked they could have inked	I could have been inking you could have been inking he could have been inking we could have been inking you could have been inking they could have been inking

Negation

Simple form	V-ing form
I could not ink you could not ink he could not ink we could not ink you could not ink they could not ink	I could not be inking you could not be inking he could not be inking we could not be inking you could not be inking they could not be inking
Perfect	V-ing perfect
I could not have inked you could not have inked he could not have inked we could not have inked you could not have inked they could not have inked	I could not have been inking you could not have been inking he could not have been inking we could not have been inking you could not have been inking they could not have been inking

Interrogative form

Simple form	V-ing form
could I ink? could you ink? could he ink? could we ink? could you ink? could they ink?	could I be inking? could you be inking? could he be inking? could we be inking? could you be inking? could they be inking?
Perfect	V-ing perfect
could I have inked? could you have inked? could he have inked? could we have inked? could you have inked? could they have inked?	could I have been inking? could you have been inking? could he have been inking? could we have been inking? could you have been inking? could they have been inking?

Interro-negative form

Simple form	V-ing form
could I not ink? could you not ink? could he not ink? could we not ink? could you not ink? could they not ink?	could I not be inking? could you not be inking? could he not be inking? could we not be inking? could you not be inking? could they not be inking?
Perfect	V-ing perfect
could I not have inked? could you not have inked? could he not have inked? could we not have inked? could you not have inked? could they not have inked?	could I not have been inking? could you not have been inking? could he not have been inking? could we not have been inking? could you not have been inking? could they not have been inking?