English verb conjugation
MUST DOVEN

Regular verb: doven - dovened - dovened

Affirmation

Simple form	V-ing form
I must doven you must doven he must doven we must doven you must doven they must doven	I must be dovening you must be dovening he must be dovening we must be dovening you must be dovening they must be dovening
Perfect	V-ing perfect
I must have dovened you must have dovened he must have dovened we must have dovened you must have dovened they must have dovened	I must have been dovening you must have been dovening he must have been dovening we must have been dovening you must have been dovening they must have been dovening

Negation

Simple form	V-ing form
I must not doven you must not doven he must not doven we must not doven you must not doven they must not doven	I must not be dovening you must not be dovening he must not be dovening we must not be dovening you must not be dovening they must not be dovening
Perfect	V-ing perfect
I must not have dovened you must not have dovened he must not have dovened we must not have dovened you must not have dovened they must not have dovened	I must not have been dovening you must not have been dovening he must not have been dovening we must not have been dovening you must not have been dovening they must not have been dovening

Interrogative form

Simple form	V-ing form
must I doven? must you doven? must he doven? must we doven? must you doven? must they doven?	must I be dovening? must you be dovening? must he be dovening? must we be dovening? must you be dovening? must they be dovening?
Perfect	V-ing perfect
must I have dovened? must you have dovened? must he have dovened? must we have dovened? must you have dovened? must they have dovened?	must I have been dovening? must you have been dovening? must he have been dovening? must we have been dovening? must you have been dovening? must they have been dovening?

Interro-negative form

Simple form	V-ing form
must I not doven? must you not doven? must he not doven? must we not doven? must you not doven? must they not doven?	must I not be dovening? must you not be dovening? must he not be dovening? must we not be dovening? must you not be dovening? must they not be dovening?
Perfect	V-ing perfect
must I not have dovened? must you not have dovened? must he not have dovened? must we not have dovened? must you not have dovened? must they not have dovened?	must I not have been dovening? must you not have been dovening? must he not have been dovening? must we not have been dovening? must you not have been dovening? must they not have been dovening?