English verb conjugation
COULD DEFEAT

Regular verb: defeat - defeated - defeated

Affirmation

Simple form	V-ing form
I could defeat you could defeat he could defeat we could defeat you could defeat they could defeat	I could be defeating you could be defeating he could be defeating we could be defeating you could be defeating they could be defeating
Perfect	V-ing perfect
I could have defeated you could have defeated he could have defeated we could have defeated you could have defeated they could have defeated	I could have been defeating you could have been defeating he could have been defeating we could have been defeating you could have been defeating they could have been defeating

Negation

Simple form	V-ing form
I could not defeat you could not defeat he could not defeat we could not defeat you could not defeat they could not defeat	I could not be defeating you could not be defeating he could not be defeating we could not be defeating you could not be defeating they could not be defeating
Perfect	V-ing perfect
I could not have defeated you could not have defeated he could not have defeated we could not have defeated you could not have defeated they could not have defeated	I could not have been defeating you could not have been defeating he could not have been defeating we could not have been defeating you could not have been defeating they could not have been defeating

Interrogative form

Simple form	V-ing form
could I defeat? could you defeat? could he defeat? could we defeat? could you defeat? could they defeat?	could I be defeating? could you be defeating? could he be defeating? could we be defeating? could you be defeating? could they be defeating?
Perfect	V-ing perfect
could I have defeated? could you have defeated? could he have defeated? could we have defeated? could you have defeated? could they have defeated?	could I have been defeating? could you have been defeating? could he have been defeating? could we have been defeating? could you have been defeating? could they have been defeating?

Interro-negative form

Simple form	V-ing form
could I not defeat? could you not defeat? could he not defeat? could we not defeat? could you not defeat? could they not defeat?	could I not be defeating? could you not be defeating? could he not be defeating? could we not be defeating? could you not be defeating? could they not be defeating?
Perfect	V-ing perfect
could I not have defeated? could you not have defeated? could he not have defeated? could we not have defeated? could you not have defeated? could they not have defeated?	could I not have been defeating? could you not have been defeating? could he not have been defeating? could we not have been defeating? could you not have been defeating? could they not have been defeating?