I must rationalize you must rationalize he must rationalize we must rationalize you must rationalize they must rationalize
V-ing form
I must be rationalizing you must be rationalizing he must be rationalizing we must be rationalizing you must be rationalizing they must be rationalizing
Perfect
I must have rationalized you must have rationalized he must have rationalized we must have rationalized you must have rationalized they must have rationalized
V-ing perfect
I must have been rationalizing you must have been rationalizing he must have been rationalizing we must have been rationalizing you must have been rationalizing they must have been rationalizing
Negation
Simple form
I must not rationalize you must not rationalize he must not rationalize we must not rationalize you must not rationalize they must not rationalize
V-ing form
I must not be rationalizing you must not be rationalizing he must not be rationalizing we must not be rationalizing you must not be rationalizing they must not be rationalizing
Perfect
I must not have rationalized you must not have rationalized he must not have rationalized we must not have rationalized you must not have rationalized they must not have rationalized
V-ing perfect
I must not have been rationalizing you must not have been rationalizing he must not have been rationalizing we must not have been rationalizing you must not have been rationalizing they must not have been rationalizing
Interrogative form
Simple form
must I rationalize? must you rationalize? must he rationalize? must we rationalize? must you rationalize? must they rationalize?
V-ing form
must I be rationalizing? must you be rationalizing? must he be rationalizing? must we be rationalizing? must you be rationalizing? must they be rationalizing?
Perfect
must I have rationalized? must you have rationalized? must he have rationalized? must we have rationalized? must you have rationalized? must they have rationalized?
V-ing perfect
must I have been rationalizing? must you have been rationalizing? must he have been rationalizing? must we have been rationalizing? must you have been rationalizing? must they have been rationalizing?
Interro-negative form
Simple form
must I not rationalize? must you not rationalize? must he not rationalize? must we not rationalize? must you not rationalize? must they not rationalize?
V-ing form
must I not be rationalizing? must you not be rationalizing? must he not be rationalizing? must we not be rationalizing? must you not be rationalizing? must they not be rationalizing?
Perfect
must I not have rationalized? must you not have rationalized? must he not have rationalized? must we not have rationalized? must you not have rationalized? must they not have rationalized?
V-ing perfect
must I not have been rationalizing? must you not have been rationalizing? must he not have been rationalizing? must we not have been rationalizing? must you not have been rationalizing? must they not have been rationalizing?