English verb conjugation
COULD ENABLE

Regular verb: enable - enabled - enabled

Affirmation

Simple form	V-ing form
I could enable you could enable she could enable we could enable you could enable they could enable	I could be enabling you could be enabling she could be enabling we could be enabling you could be enabling they could be enabling
Perfect	V-ing perfect
I could have enabled you could have enabled she could have enabled we could have enabled you could have enabled they could have enabled	I could have been enabling you could have been enabling she could have been enabling we could have been enabling you could have been enabling they could have been enabling

Negation

Simple form	V-ing form
I couldn't enable you couldn't enable she couldn't enable we couldn't enable you couldn't enable they couldn't enable	I couldn't be enabling you couldn't be enabling she couldn't be enabling we couldn't be enabling you couldn't be enabling they couldn't be enabling
Perfect	V-ing perfect
I couldn't have enabled you couldn't have enabled she couldn't have enabled we couldn't have enabled you couldn't have enabled they couldn't have enabled	I couldn't have been enabling you couldn't have been enabling she couldn't have been enabling we couldn't have been enabling you couldn't have been enabling they couldn't have been enabling

Interrogative form

Simple form	V-ing form
could I enable? could you enable? could she enable? could we enable? could you enable? could they enable?	could I be enabling? could you be enabling? could she be enabling? could we be enabling? could you be enabling? could they be enabling?
Perfect	V-ing perfect
could I have enabled? could you have enabled? could she have enabled? could we have enabled? could you have enabled? could they have enabled?	could I have been enabling? could you have been enabling? could she have been enabling? could we have been enabling? could you have been enabling? could they have been enabling?

Interro-negative form

Simple form	V-ing form
couldn't I enable? couldn't you enable? couldn't she enable? couldn't we enable? couldn't you enable? couldn't they enable?	couldn't I be enabling? couldn't you be enabling? couldn't she be enabling? couldn't we be enabling? couldn't you be enabling? couldn't they be enabling?
Perfect	V-ing perfect
couldn't I have enabled? couldn't you have enabled? couldn't she have enabled? couldn't we have enabled? couldn't you have enabled? couldn't they have enabled?	couldn't I have been enabling? couldn't you have been enabling? couldn't she have been enabling? couldn't we have been enabling? couldn't you have been enabling? couldn't they have been enabling?