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