English verb conjugation
MUST DOOM

Regular verb: doom - doomed - doomed

Affirmation

Simple form	V-ing form
I must doom you must doom she must doom we must doom you must doom they must doom	I must be dooming you must be dooming she must be dooming we must be dooming you must be dooming they must be dooming
Perfect	V-ing perfect
I must have doomed you must have doomed she must have doomed we must have doomed you must have doomed they must have doomed	I must have been dooming you must have been dooming she must have been dooming we must have been dooming you must have been dooming they must have been dooming

Negation

Simple form	V-ing form
I must not doom you must not doom she must not doom we must not doom you must not doom they must not doom	I must not be dooming you must not be dooming she must not be dooming we must not be dooming you must not be dooming they must not be dooming
Perfect	V-ing perfect
I must not have doomed you must not have doomed she must not have doomed we must not have doomed you must not have doomed they must not have doomed	I must not have been dooming you must not have been dooming she must not have been dooming we must not have been dooming you must not have been dooming they must not have been dooming

Interrogative form

Simple form	V-ing form
must I doom? must you doom? must she doom? must we doom? must you doom? must they doom?	must I be dooming? must you be dooming? must she be dooming? must we be dooming? must you be dooming? must they be dooming?
Perfect	V-ing perfect
must I have doomed? must you have doomed? must she have doomed? must we have doomed? must you have doomed? must they have doomed?	must I have been dooming? must you have been dooming? must she have been dooming? must we have been dooming? must you have been dooming? must they have been dooming?

Interro-negative form

Simple form	V-ing form
must I not doom? must you not doom? must she not doom? must we not doom? must you not doom? must they not doom?	must I not be dooming? must you not be dooming? must she not be dooming? must we not be dooming? must you not be dooming? must they not be dooming?
Perfect	V-ing perfect
must I not have doomed? must you not have doomed? must she not have doomed? must we not have doomed? must you not have doomed? must they not have doomed?	must I not have been dooming? must you not have been dooming? must she not have been dooming? must we not have been dooming? must you not have been dooming? must they not have been dooming?