I must feudalize you must feudalize she must feudalize we must feudalize you must feudalize they must feudalize
V-ing form
I must be feudalizing you must be feudalizing she must be feudalizing we must be feudalizing you must be feudalizing they must be feudalizing
Perfect
I must have feudalized you must have feudalized she must have feudalized we must have feudalized you must have feudalized they must have feudalized
V-ing perfect
I must have been feudalizing you must have been feudalizing she must have been feudalizing we must have been feudalizing you must have been feudalizing they must have been feudalizing
Negation
Simple form
I mustn't feudalize you mustn't feudalize she mustn't feudalize we mustn't feudalize you mustn't feudalize they mustn't feudalize
V-ing form
I mustn't be feudalizing you mustn't be feudalizing she mustn't be feudalizing we mustn't be feudalizing you mustn't be feudalizing they mustn't be feudalizing
Perfect
I mustn't have feudalized you mustn't have feudalized she mustn't have feudalized we mustn't have feudalized you mustn't have feudalized they mustn't have feudalized
V-ing perfect
I mustn't have been feudalizing you mustn't have been feudalizing she mustn't have been feudalizing we mustn't have been feudalizing you mustn't have been feudalizing they mustn't have been feudalizing
Interrogative form
Simple form
must I feudalize? must you feudalize? must she feudalize? must we feudalize? must you feudalize? must they feudalize?
V-ing form
must I be feudalizing? must you be feudalizing? must she be feudalizing? must we be feudalizing? must you be feudalizing? must they be feudalizing?
Perfect
must I have feudalized? must you have feudalized? must she have feudalized? must we have feudalized? must you have feudalized? must they have feudalized?
V-ing perfect
must I have been feudalizing? must you have been feudalizing? must she have been feudalizing? must we have been feudalizing? must you have been feudalizing? must they have been feudalizing?
Interro-negative form
Simple form
mustn't I feudalize? mustn't you feudalize? mustn't she feudalize? mustn't we feudalize? mustn't you feudalize? mustn't they feudalize?
V-ing form
mustn't I be feudalizing? mustn't you be feudalizing? mustn't she be feudalizing? mustn't we be feudalizing? mustn't you be feudalizing? mustn't they be feudalizing?
Perfect
mustn't I have feudalized? mustn't you have feudalized? mustn't she have feudalized? mustn't we have feudalized? mustn't you have feudalized? mustn't they have feudalized?
V-ing perfect
mustn't I have been feudalizing? mustn't you have been feudalizing? mustn't she have been feudalizing? mustn't we have been feudalizing? mustn't you have been feudalizing? mustn't they have been feudalizing?