English verb conjugation
COULD ENLIVEN

Regular verb: enliven - enlivened - enlivened

Affirmation

Simple form	V-ing form
I could enliven you could enliven he could enliven we could enliven you could enliven they could enliven	I could be enlivening you could be enlivening he could be enlivening we could be enlivening you could be enlivening they could be enlivening
Perfect	V-ing perfect
I could have enlivened you could have enlivened he could have enlivened we could have enlivened you could have enlivened they could have enlivened	I could have been enlivening you could have been enlivening he could have been enlivening we could have been enlivening you could have been enlivening they could have been enlivening

Negation

Simple form	V-ing form
I couldn't enliven you couldn't enliven he couldn't enliven we couldn't enliven you couldn't enliven they couldn't enliven	I couldn't be enlivening you couldn't be enlivening he couldn't be enlivening we couldn't be enlivening you couldn't be enlivening they couldn't be enlivening
Perfect	V-ing perfect
I couldn't have enlivened you couldn't have enlivened he couldn't have enlivened we couldn't have enlivened you couldn't have enlivened they couldn't have enlivened	I couldn't have been enlivening you couldn't have been enlivening he couldn't have been enlivening we couldn't have been enlivening you couldn't have been enlivening they couldn't have been enlivening

Interrogative form

Simple form	V-ing form
could I enliven? could you enliven? could he enliven? could we enliven? could you enliven? could they enliven?	could I be enlivening? could you be enlivening? could he be enlivening? could we be enlivening? could you be enlivening? could they be enlivening?
Perfect	V-ing perfect
could I have enlivened? could you have enlivened? could he have enlivened? could we have enlivened? could you have enlivened? could they have enlivened?	could I have been enlivening? could you have been enlivening? could he have been enlivening? could we have been enlivening? could you have been enlivening? could they have been enlivening?

Interro-negative form

Simple form	V-ing form
couldn't I enliven? couldn't you enliven? couldn't he enliven? couldn't we enliven? couldn't you enliven? couldn't they enliven?	couldn't I be enlivening? couldn't you be enlivening? couldn't he be enlivening? couldn't we be enlivening? couldn't you be enlivening? couldn't they be enlivening?
Perfect	V-ing perfect
couldn't I have enlivened? couldn't you have enlivened? couldn't he have enlivened? couldn't we have enlivened? couldn't you have enlivened? couldn't they have enlivened?	couldn't I have been enlivening? couldn't you have been enlivening? couldn't he have been enlivening? couldn't we have been enlivening? couldn't you have been enlivening? couldn't they have been enlivening?