Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must defeat. overcome you must defeat. overcome he must defeat. overcome we must defeat. overcome you must defeat. overcome they must defeat. overcome
V-ing form
I must be defeat. overcoming you must be defeat. overcoming he must be defeat. overcoming we must be defeat. overcoming you must be defeat. overcoming they must be defeat. overcoming
Perfect
I must have defeat. overcomed you must have defeat. overcomed he must have defeat. overcomed we must have defeat. overcomed you must have defeat. overcomed they must have defeat. overcomed
V-ing perfect
I must have been defeat. overcoming you must have been defeat. overcoming he must have been defeat. overcoming we must have been defeat. overcoming you must have been defeat. overcoming they must have been defeat. overcoming
Negation
Simple form
I must not defeat. overcome you must not defeat. overcome he must not defeat. overcome we must not defeat. overcome you must not defeat. overcome they must not defeat. overcome
V-ing form
I must not be defeat. overcoming you must not be defeat. overcoming he must not be defeat. overcoming we must not be defeat. overcoming you must not be defeat. overcoming they must not be defeat. overcoming
Perfect
I must not have defeat. overcomed you must not have defeat. overcomed he must not have defeat. overcomed we must not have defeat. overcomed you must not have defeat. overcomed they must not have defeat. overcomed
V-ing perfect
I must not have been defeat. overcoming you must not have been defeat. overcoming he must not have been defeat. overcoming we must not have been defeat. overcoming you must not have been defeat. overcoming they must not have been defeat. overcoming
Interrogative form
Simple form
must I defeat. overcome? must you defeat. overcome? must he defeat. overcome? must we defeat. overcome? must you defeat. overcome? must they defeat. overcome?
V-ing form
must I be defeat. overcoming? must you be defeat. overcoming? must he be defeat. overcoming? must we be defeat. overcoming? must you be defeat. overcoming? must they be defeat. overcoming?
Perfect
must I have defeat. overcomed? must you have defeat. overcomed? must he have defeat. overcomed? must we have defeat. overcomed? must you have defeat. overcomed? must they have defeat. overcomed?
V-ing perfect
must I have been defeat. overcoming? must you have been defeat. overcoming? must he have been defeat. overcoming? must we have been defeat. overcoming? must you have been defeat. overcoming? must they have been defeat. overcoming?
Interro-negative form
Simple form
must I not defeat. overcome? must you not defeat. overcome? must he not defeat. overcome? must we not defeat. overcome? must you not defeat. overcome? must they not defeat. overcome?
V-ing form
must I not be defeat. overcoming? must you not be defeat. overcoming? must he not be defeat. overcoming? must we not be defeat. overcoming? must you not be defeat. overcoming? must they not be defeat. overcoming?
Perfect
must I not have defeat. overcomed? must you not have defeat. overcomed? must he not have defeat. overcomed? must we not have defeat. overcomed? must you not have defeat. overcomed? must they not have defeat. overcomed?
V-ing perfect
must I not have been defeat. overcoming? must you not have been defeat. overcoming? must he not have been defeat. overcoming? must we not have been defeat. overcoming? must you not have been defeat. overcoming? must they not have been defeat. overcoming?