I must realize you must realize he must realize we must realize you must realize they must realize
V-ing form
I must be realizing you must be realizing he must be realizing we must be realizing you must be realizing they must be realizing
Perfect
I must have realized you must have realized he 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 he must have been realizing we must have been realizing you must have been realizing they must have been realizing
Negation
Simple form
I must not realize you must not realize he must not realize we must not realize you must not realize they must not realize
V-ing form
I must not be realizing you must not be realizing he must not be realizing we must not be realizing you must not be realizing they must not be realizing
Perfect
I must not have realized you must not have realized he must not have realized we must not have realized you must not have realized they must not have realized
V-ing perfect
I must not have been realizing you must not have been realizing he must not have been realizing we must not have been realizing you must not have been realizing they must not have been realizing
Interrogative form
Simple form
must I realize? must you realize? must he realize? must we realize? must you realize? must they realize?
V-ing form
must I be realizing? must you be realizing? must he be realizing? must we be realizing? must you be realizing? must they be realizing?
Perfect
must I have realized? must you have realized? must he 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 he have been realizing? must we have been realizing? must you have been realizing? must they have been realizing?
Interro-negative form
Simple form
must I not realize? must you not realize? must he not realize? must we not realize? must you not realize? must they not realize?
V-ing form
must I not be realizing? must you not be realizing? must he not be realizing? must we not be realizing? must you not be realizing? must they not be realizing?
Perfect
must I not have realized? must you not have realized? must he not have realized? must we not have realized? must you not have realized? must they not have realized?
V-ing perfect
must I not have been realizing? must you not have been realizing? must he not have been realizing? must we not have been realizing? must you not have been realizing? must they not have been realizing?