English verb conjugation
COULD PREDEFINE

Regular verb: predefine - predefined - predefined

Affirmation

Simple form	V-ing form
I could predefine you could predefine he could predefine we could predefine you could predefine they could predefine	I could be predefining you could be predefining he could be predefining we could be predefining you could be predefining they could be predefining
Perfect	V-ing perfect
I could have predefined you could have predefined he could have predefined we could have predefined you could have predefined they could have predefined	I could have been predefining you could have been predefining he could have been predefining we could have been predefining you could have been predefining they could have been predefining

Negation

Simple form	V-ing form
I could not predefine you could not predefine he could not predefine we could not predefine you could not predefine they could not predefine	I could not be predefining you could not be predefining he could not be predefining we could not be predefining you could not be predefining they could not be predefining
Perfect	V-ing perfect
I could not have predefined you could not have predefined he could not have predefined we could not have predefined you could not have predefined they could not have predefined	I could not have been predefining you could not have been predefining he could not have been predefining we could not have been predefining you could not have been predefining they could not have been predefining

Interrogative form

Simple form	V-ing form
could I predefine? could you predefine? could he predefine? could we predefine? could you predefine? could they predefine?	could I be predefining? could you be predefining? could he be predefining? could we be predefining? could you be predefining? could they be predefining?
Perfect	V-ing perfect
could I have predefined? could you have predefined? could he have predefined? could we have predefined? could you have predefined? could they have predefined?	could I have been predefining? could you have been predefining? could he have been predefining? could we have been predefining? could you have been predefining? could they have been predefining?

Interro-negative form

Simple form	V-ing form
could I not predefine? could you not predefine? could he not predefine? could we not predefine? could you not predefine? could they not predefine?	could I not be predefining? could you not be predefining? could he not be predefining? could we not be predefining? could you not be predefining? could they not be predefining?
Perfect	V-ing perfect
could I not have predefined? could you not have predefined? could he not have predefined? could we not have predefined? could you not have predefined? could they not have predefined?	could I not have been predefining? could you not have been predefining? could he not have been predefining? could we not have been predefining? could you not have been predefining? could they not have been predefining?