English verb conjugation
COULD REDEFINE

Regular verb: redefine - redefined - redefined

Affirmation

Simple form	V-ing form
I could redefine you could redefine he could redefine we could redefine you could redefine they could redefine	I could be redefining you could be redefining he could be redefining we could be redefining you could be redefining they could be redefining
Perfect	V-ing perfect
I could have redefined you could have redefined he could have redefined we could have redefined you could have redefined they could have redefined	I could have been redefining you could have been redefining he could have been redefining we could have been redefining you could have been redefining they could have been redefining

Negation

Simple form	V-ing form
I couldn't redefine you couldn't redefine he couldn't redefine we couldn't redefine you couldn't redefine they couldn't redefine	I couldn't be redefining you couldn't be redefining he couldn't be redefining we couldn't be redefining you couldn't be redefining they couldn't be redefining
Perfect	V-ing perfect
I couldn't have redefined you couldn't have redefined he couldn't have redefined we couldn't have redefined you couldn't have redefined they couldn't have redefined	I couldn't have been redefining you couldn't have been redefining he couldn't have been redefining we couldn't have been redefining you couldn't have been redefining they couldn't have been redefining

Interrogative form

Simple form	V-ing form
could I redefine? could you redefine? could he redefine? could we redefine? could you redefine? could they redefine?	could I be redefining? could you be redefining? could he be redefining? could we be redefining? could you be redefining? could they be redefining?
Perfect	V-ing perfect
could I have redefined? could you have redefined? could he have redefined? could we have redefined? could you have redefined? could they have redefined?	could I have been redefining? could you have been redefining? could he have been redefining? could we have been redefining? could you have been redefining? could they have been redefining?

Interro-negative form

Simple form	V-ing form
couldn't I redefine? couldn't you redefine? couldn't he redefine? couldn't we redefine? couldn't you redefine? couldn't they redefine?	couldn't I be redefining? couldn't you be redefining? couldn't he be redefining? couldn't we be redefining? couldn't you be redefining? couldn't they be redefining?
Perfect	V-ing perfect
couldn't I have redefined? couldn't you have redefined? couldn't he have redefined? couldn't we have redefined? couldn't you have redefined? couldn't they have redefined?	couldn't I have been redefining? couldn't you have been redefining? couldn't he have been redefining? couldn't we have been redefining? couldn't you have been redefining? couldn't they have been redefining?