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