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