English verb conjugation
MUST KEN

Regular verb: ken - kened - kened

Affirmation

Simple form	V-ing form
I must ken you must ken she must ken we must ken you must ken they must ken	I must be kening you must be kening she must be kening we must be kening you must be kening they must be kening
Perfect	V-ing perfect
I must have kened you must have kened she must have kened we must have kened you must have kened they must have kened	I must have been kening you must have been kening she must have been kening we must have been kening you must have been kening they must have been kening

Negation

Simple form	V-ing form
I must not ken you must not ken she must not ken we must not ken you must not ken they must not ken	I must not be kening you must not be kening she must not be kening we must not be kening you must not be kening they must not be kening
Perfect	V-ing perfect
I must not have kened you must not have kened she must not have kened we must not have kened you must not have kened they must not have kened	I must not have been kening you must not have been kening she must not have been kening we must not have been kening you must not have been kening they must not have been kening

Interrogative form

Simple form	V-ing form
must I ken? must you ken? must she ken? must we ken? must you ken? must they ken?	must I be kening? must you be kening? must she be kening? must we be kening? must you be kening? must they be kening?
Perfect	V-ing perfect
must I have kened? must you have kened? must she have kened? must we have kened? must you have kened? must they have kened?	must I have been kening? must you have been kening? must she have been kening? must we have been kening? must you have been kening? must they have been kening?

Interro-negative form

Simple form	V-ing form
must I not ken? must you not ken? must she not ken? must we not ken? must you not ken? must they not ken?	must I not be kening? must you not be kening? must she not be kening? must we not be kening? must you not be kening? must they not be kening?
Perfect	V-ing perfect
must I not have kened? must you not have kened? must she not have kened? must we not have kened? must you not have kened? must they not have kened?	must I not have been kening? must you not have been kening? must she not have been kening? must we not have been kening? must you not have been kening? must they not have been kening?