English verb conjugation
MUST LICHEN

Regular verb: lichen - lichened - lichened

Affirmation

Simple form	V-ing form
I must lichen you must lichen he must lichen we must lichen you must lichen they must lichen	I must be lichening you must be lichening he must be lichening we must be lichening you must be lichening they must be lichening
Perfect	V-ing perfect
I must have lichened you must have lichened he must have lichened we must have lichened you must have lichened they must have lichened	I must have been lichening you must have been lichening he must have been lichening we must have been lichening you must have been lichening they must have been lichening

Negation

Simple form	V-ing form
I mustn't lichen you mustn't lichen he mustn't lichen we mustn't lichen you mustn't lichen they mustn't lichen	I mustn't be lichening you mustn't be lichening he mustn't be lichening we mustn't be lichening you mustn't be lichening they mustn't be lichening
Perfect	V-ing perfect
I mustn't have lichened you mustn't have lichened he mustn't have lichened we mustn't have lichened you mustn't have lichened they mustn't have lichened	I mustn't have been lichening you mustn't have been lichening he mustn't have been lichening we mustn't have been lichening you mustn't have been lichening they mustn't have been lichening

Interrogative form

Simple form	V-ing form
must I lichen? must you lichen? must he lichen? must we lichen? must you lichen? must they lichen?	must I be lichening? must you be lichening? must he be lichening? must we be lichening? must you be lichening? must they be lichening?
Perfect	V-ing perfect
must I have lichened? must you have lichened? must he have lichened? must we have lichened? must you have lichened? must they have lichened?	must I have been lichening? must you have been lichening? must he have been lichening? must we have been lichening? must you have been lichening? must they have been lichening?

Interro-negative form

Simple form	V-ing form
mustn't I lichen? mustn't you lichen? mustn't he lichen? mustn't we lichen? mustn't you lichen? mustn't they lichen?	mustn't I be lichening? mustn't you be lichening? mustn't he be lichening? mustn't we be lichening? mustn't you be lichening? mustn't they be lichening?
Perfect	V-ing perfect
mustn't I have lichened? mustn't you have lichened? mustn't he have lichened? mustn't we have lichened? mustn't you have lichened? mustn't they have lichened?	mustn't I have been lichening? mustn't you have been lichening? mustn't he have been lichening? mustn't we have been lichening? mustn't you have been lichening? mustn't they have been lichening?