Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could go away you could go away she could go away we could go away you could go away they could go away
V-ing form
I could be go awaying you could be go awaying she could be go awaying we could be go awaying you could be go awaying they could be go awaying
Perfect
I could have go awayed you could have go awayed she could have go awayed we could have go awayed you could have go awayed they could have go awayed
V-ing perfect
I could have been go awaying you could have been go awaying she could have been go awaying we could have been go awaying you could have been go awaying they could have been go awaying
Negation
Simple form
I could not go away you could not go away she could not go away we could not go away you could not go away they could not go away
V-ing form
I could not be go awaying you could not be go awaying she could not be go awaying we could not be go awaying you could not be go awaying they could not be go awaying
Perfect
I could not have go awayed you could not have go awayed she could not have go awayed we could not have go awayed you could not have go awayed they could not have go awayed
V-ing perfect
I could not have been go awaying you could not have been go awaying she could not have been go awaying we could not have been go awaying you could not have been go awaying they could not have been go awaying
Interrogative form
Simple form
could I go away? could you go away? could she go away? could we go away? could you go away? could they go away?
V-ing form
could I be go awaying? could you be go awaying? could she be go awaying? could we be go awaying? could you be go awaying? could they be go awaying?
Perfect
could I have go awayed? could you have go awayed? could she have go awayed? could we have go awayed? could you have go awayed? could they have go awayed?
V-ing perfect
could I have been go awaying? could you have been go awaying? could she have been go awaying? could we have been go awaying? could you have been go awaying? could they have been go awaying?
Interro-negative form
Simple form
could I not go away? could you not go away? could she not go away? could we not go away? could you not go away? could they not go away?
V-ing form
could I not be go awaying? could you not be go awaying? could she not be go awaying? could we not be go awaying? could you not be go awaying? could they not be go awaying?
Perfect
could I not have go awayed? could you not have go awayed? could she not have go awayed? could we not have go awayed? could you not have go awayed? could they not have go awayed?
V-ing perfect
could I not have been go awaying? could you not have been go awaying? could she not have been go awaying? could we not have been go awaying? could you not have been go awaying? could they not have been go awaying?