English verb conjugation
MUST ENLIGHTEN

Regular verb: enlighten - enlightened - enlightened

Affirmation

Simple form	V-ing form
I must enlighten you must enlighten she must enlighten we must enlighten you must enlighten they must enlighten	I must be enlightening you must be enlightening she must be enlightening we must be enlightening you must be enlightening they must be enlightening
Perfect	V-ing perfect
I must have enlightened you must have enlightened she must have enlightened we must have enlightened you must have enlightened they must have enlightened	I must have been enlightening you must have been enlightening she must have been enlightening we must have been enlightening you must have been enlightening they must have been enlightening

Negation

Simple form	V-ing form
I mustn't enlighten you mustn't enlighten she mustn't enlighten we mustn't enlighten you mustn't enlighten they mustn't enlighten	I mustn't be enlightening you mustn't be enlightening she mustn't be enlightening we mustn't be enlightening you mustn't be enlightening they mustn't be enlightening
Perfect	V-ing perfect
I mustn't have enlightened you mustn't have enlightened she mustn't have enlightened we mustn't have enlightened you mustn't have enlightened they mustn't have enlightened	I mustn't have been enlightening you mustn't have been enlightening she mustn't have been enlightening we mustn't have been enlightening you mustn't have been enlightening they mustn't have been enlightening

Interrogative form

Simple form	V-ing form
must I enlighten? must you enlighten? must she enlighten? must we enlighten? must you enlighten? must they enlighten?	must I be enlightening? must you be enlightening? must she be enlightening? must we be enlightening? must you be enlightening? must they be enlightening?
Perfect	V-ing perfect
must I have enlightened? must you have enlightened? must she have enlightened? must we have enlightened? must you have enlightened? must they have enlightened?	must I have been enlightening? must you have been enlightening? must she have been enlightening? must we have been enlightening? must you have been enlightening? must they have been enlightening?

Interro-negative form

Simple form	V-ing form
mustn't I enlighten? mustn't you enlighten? mustn't she enlighten? mustn't we enlighten? mustn't you enlighten? mustn't they enlighten?	mustn't I be enlightening? mustn't you be enlightening? mustn't she be enlightening? mustn't we be enlightening? mustn't you be enlightening? mustn't they be enlightening?
Perfect	V-ing perfect
mustn't I have enlightened? mustn't you have enlightened? mustn't she have enlightened? mustn't we have enlightened? mustn't you have enlightened? mustn't they have enlightened?	mustn't I have been enlightening? mustn't you have been enlightening? mustn't she have been enlightening? mustn't we have been enlightening? mustn't you have been enlightening? mustn't they have been enlightening?