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