Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could defeat. overcome you could defeat. overcome she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?