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