English verb conjugation
MUST SUBDIVIDE

Regular verb: subdivide - subdivided - subdivided

Affirmation

Simple form	V-ing form
I must subdivide you must subdivide she must subdivide we must subdivide you must subdivide they must subdivide	I must be subdividing you must be subdividing she must be subdividing we must be subdividing you must be subdividing they must be subdividing
Perfect	V-ing perfect
I must have subdivided you must have subdivided she must have subdivided we must have subdivided you must have subdivided they must have subdivided	I must have been subdividing you must have been subdividing she must have been subdividing we must have been subdividing you must have been subdividing they must have been subdividing

Negation

Simple form	V-ing form
I must not subdivide you must not subdivide she must not subdivide we must not subdivide you must not subdivide they must not subdivide	I must not be subdividing you must not be subdividing she must not be subdividing we must not be subdividing you must not be subdividing they must not be subdividing
Perfect	V-ing perfect
I must not have subdivided you must not have subdivided she must not have subdivided we must not have subdivided you must not have subdivided they must not have subdivided	I must not have been subdividing you must not have been subdividing she must not have been subdividing we must not have been subdividing you must not have been subdividing they must not have been subdividing

Interrogative form

Simple form	V-ing form
must I subdivide? must you subdivide? must she subdivide? must we subdivide? must you subdivide? must they subdivide?	must I be subdividing? must you be subdividing? must she be subdividing? must we be subdividing? must you be subdividing? must they be subdividing?
Perfect	V-ing perfect
must I have subdivided? must you have subdivided? must she have subdivided? must we have subdivided? must you have subdivided? must they have subdivided?	must I have been subdividing? must you have been subdividing? must she have been subdividing? must we have been subdividing? must you have been subdividing? must they have been subdividing?

Interro-negative form

Simple form	V-ing form
must I not subdivide? must you not subdivide? must she not subdivide? must we not subdivide? must you not subdivide? must they not subdivide?	must I not be subdividing? must you not be subdividing? must she not be subdividing? must we not be subdividing? must you not be subdividing? must they not be subdividing?
Perfect	V-ing perfect
must I not have subdivided? must you not have subdivided? must she not have subdivided? must we not have subdivided? must you not have subdivided? must they not have subdivided?	must I not have been subdividing? must you not have been subdividing? must she not have been subdividing? must we not have been subdividing? must you not have been subdividing? must they not have been subdividing?