English verb conjugation
COULD ORIGINATE

Regular verb: originate - originated - originated

Affirmation

Simple form	V-ing form
I could originate you could originate he could originate we could originate you could originate they could originate	I could be originating you could be originating he could be originating we could be originating you could be originating they could be originating
Perfect	V-ing perfect
I could have originated you could have originated he could have originated we could have originated you could have originated they could have originated	I could have been originating you could have been originating he could have been originating we could have been originating you could have been originating they could have been originating

Negation

Simple form	V-ing form
I couldn't originate you couldn't originate he couldn't originate we couldn't originate you couldn't originate they couldn't originate	I couldn't be originating you couldn't be originating he couldn't be originating we couldn't be originating you couldn't be originating they couldn't be originating
Perfect	V-ing perfect
I couldn't have originated you couldn't have originated he couldn't have originated we couldn't have originated you couldn't have originated they couldn't have originated	I couldn't have been originating you couldn't have been originating he couldn't have been originating we couldn't have been originating you couldn't have been originating they couldn't have been originating

Interrogative form

Simple form	V-ing form
could I originate? could you originate? could he originate? could we originate? could you originate? could they originate?	could I be originating? could you be originating? could he be originating? could we be originating? could you be originating? could they be originating?
Perfect	V-ing perfect
could I have originated? could you have originated? could he have originated? could we have originated? could you have originated? could they have originated?	could I have been originating? could you have been originating? could he have been originating? could we have been originating? could you have been originating? could they have been originating?

Interro-negative form

Simple form	V-ing form
couldn't I originate? couldn't you originate? couldn't he originate? couldn't we originate? couldn't you originate? couldn't they originate?	couldn't I be originating? couldn't you be originating? couldn't he be originating? couldn't we be originating? couldn't you be originating? couldn't they be originating?
Perfect	V-ing perfect
couldn't I have originated? couldn't you have originated? couldn't he have originated? couldn't we have originated? couldn't you have originated? couldn't they have originated?	couldn't I have been originating? couldn't you have been originating? couldn't he have been originating? couldn't we have been originating? couldn't you have been originating? couldn't they have been originating?