English verb conjugation
COULD PREDEFINE

Regular verb: predefine - predefined - predefined

Affirmation

Simple form	V-ing form
I could predefine you could predefine she could predefine we could predefine you could predefine they could predefine	I could be predefining you could be predefining she 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 she 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 she 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 couldn't predefine you couldn't predefine she couldn't predefine we couldn't predefine you couldn't predefine they couldn't predefine	I couldn't be predefining you couldn't be predefining she couldn't be predefining we couldn't be predefining you couldn't be predefining they couldn't be predefining
Perfect	V-ing perfect
I couldn't have predefined you couldn't have predefined she couldn't have predefined we couldn't have predefined you couldn't have predefined they couldn't have predefined	I couldn't have been predefining you couldn't have been predefining she couldn't have been predefining we couldn't have been predefining you couldn't have been predefining they couldn't have been predefining

Interrogative form

Simple form	V-ing form
could I predefine? could you predefine? could she predefine? could we predefine? could you predefine? could they predefine?	could I be predefining? could you be predefining? could she 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 she 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 she 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
couldn't I predefine? couldn't you predefine? couldn't she predefine? couldn't we predefine? couldn't you predefine? couldn't they predefine?	couldn't I be predefining? couldn't you be predefining? couldn't she be predefining? couldn't we be predefining? couldn't you be predefining? couldn't they be predefining?
Perfect	V-ing perfect
couldn't I have predefined? couldn't you have predefined? couldn't she have predefined? couldn't we have predefined? couldn't you have predefined? couldn't they have predefined?	couldn't I have been predefining? couldn't you have been predefining? couldn't she have been predefining? couldn't we have been predefining? couldn't you have been predefining? couldn't they have been predefining?