English verb conjugation
MUST ENLIVEN

Regular verb: enliven - enlivened - enlivened

Affirmation

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

Negation

Simple form	V-ing form
I must not enliven you must not enliven he must not enliven we must not enliven you must not enliven they must not enliven	I must not be enlivening you must not be enlivening he must not be enlivening we must not be enlivening you must not be enlivening they must not be enlivening
Perfect	V-ing perfect
I must not have enlivened you must not have enlivened he must not have enlivened we must not have enlivened you must not have enlivened they must not have enlivened	I must not have been enlivening you must not have been enlivening he must not have been enlivening we must not have been enlivening you must not have been enlivening they must not have been enlivening

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not enliven? must you not enliven? must he not enliven? must we not enliven? must you not enliven? must they not enliven?	must I not be enlivening? must you not be enlivening? must he not be enlivening? must we not be enlivening? must you not be enlivening? must they not be enlivening?
Perfect	V-ing perfect
must I not have enlivened? must you not have enlivened? must he not have enlivened? must we not have enlivened? must you not have enlivened? must they not have enlivened?	must I not have been enlivening? must you not have been enlivening? must he not have been enlivening? must we not have been enlivening? must you not have been enlivening? must they not have been enlivening?