English verb conjugation
MUST PEEN

Regular verb: peen - peened - peened

Affirmation

Simple form	V-ing form
I must peen you must peen he must peen we must peen you must peen they must peen	I must be peening you must be peening he must be peening we must be peening you must be peening they must be peening
Perfect	V-ing perfect
I must have peened you must have peened he must have peened we must have peened you must have peened they must have peened	I must have been peening you must have been peening he must have been peening we must have been peening you must have been peening they must have been peening

Negation

Simple form	V-ing form
I must not peen you must not peen he must not peen we must not peen you must not peen they must not peen	I must not be peening you must not be peening he must not be peening we must not be peening you must not be peening they must not be peening
Perfect	V-ing perfect
I must not have peened you must not have peened he must not have peened we must not have peened you must not have peened they must not have peened	I must not have been peening you must not have been peening he must not have been peening we must not have been peening you must not have been peening they must not have been peening

Interrogative form

Simple form	V-ing form
must I peen? must you peen? must he peen? must we peen? must you peen? must they peen?	must I be peening? must you be peening? must he be peening? must we be peening? must you be peening? must they be peening?
Perfect	V-ing perfect
must I have peened? must you have peened? must he have peened? must we have peened? must you have peened? must they have peened?	must I have been peening? must you have been peening? must he have been peening? must we have been peening? must you have been peening? must they have been peening?

Interro-negative form

Simple form	V-ing form
must I not peen? must you not peen? must he not peen? must we not peen? must you not peen? must they not peen?	must I not be peening? must you not be peening? must he not be peening? must we not be peening? must you not be peening? must they not be peening?
Perfect	V-ing perfect
must I not have peened? must you not have peened? must he not have peened? must we not have peened? must you not have peened? must they not have peened?	must I not have been peening? must you not have been peening? must he not have been peening? must we not have been peening? must you not have been peening? must they not have been peening?