I must industrialize you must industrialize she must industrialize we must industrialize you must industrialize they must industrialize
V-ing form
I must be industrializing you must be industrializing she must be industrializing we must be industrializing you must be industrializing they must be industrializing
Perfect
I must have industrialized you must have industrialized she must have industrialized we must have industrialized you must have industrialized they must have industrialized
V-ing perfect
I must have been industrializing you must have been industrializing she must have been industrializing we must have been industrializing you must have been industrializing they must have been industrializing
Negation
Simple form
I must not industrialize you must not industrialize she must not industrialize we must not industrialize you must not industrialize they must not industrialize
V-ing form
I must not be industrializing you must not be industrializing she must not be industrializing we must not be industrializing you must not be industrializing they must not be industrializing
Perfect
I must not have industrialized you must not have industrialized she must not have industrialized we must not have industrialized you must not have industrialized they must not have industrialized
V-ing perfect
I must not have been industrializing you must not have been industrializing she must not have been industrializing we must not have been industrializing you must not have been industrializing they must not have been industrializing
Interrogative form
Simple form
must I industrialize? must you industrialize? must she industrialize? must we industrialize? must you industrialize? must they industrialize?
V-ing form
must I be industrializing? must you be industrializing? must she be industrializing? must we be industrializing? must you be industrializing? must they be industrializing?
Perfect
must I have industrialized? must you have industrialized? must she have industrialized? must we have industrialized? must you have industrialized? must they have industrialized?
V-ing perfect
must I have been industrializing? must you have been industrializing? must she have been industrializing? must we have been industrializing? must you have been industrializing? must they have been industrializing?
Interro-negative form
Simple form
must I not industrialize? must you not industrialize? must she not industrialize? must we not industrialize? must you not industrialize? must they not industrialize?
V-ing form
must I not be industrializing? must you not be industrializing? must she not be industrializing? must we not be industrializing? must you not be industrializing? must they not be industrializing?
Perfect
must I not have industrialized? must you not have industrialized? must she not have industrialized? must we not have industrialized? must you not have industrialized? must they not have industrialized?
V-ing perfect
must I not have been industrializing? must you not have been industrializing? must she not have been industrializing? must we not have been industrializing? must you not have been industrializing? must they not have been industrializing?