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 can't rationalize you can't rationalize he can't rationalize we can't rationalize you can't rationalize they can't rationalize
V-ing form
I can't be rationalizing you can't be rationalizing he can't be rationalizing we can't be rationalizing you can't be rationalizing they can't be rationalizing
Perfect
I can't have rationalized you can't have rationalized he can't have rationalized we can't have rationalized you can't have rationalized they can't have rationalized
V-ing perfect
I can't have been rationalizing you can't have been rationalizing he can't have been rationalizing we can't have been rationalizing you can't have been rationalizing they can't 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't I rationalize? can't you rationalize? can't he rationalize? can't we rationalize? can't you rationalize? can't they rationalize?
V-ing form
can't I be rationalizing? can't you be rationalizing? can't he be rationalizing? can't we be rationalizing? can't you be rationalizing? can't they be rationalizing?
Perfect
can't I have rationalized? can't you have rationalized? can't he have rationalized? can't we have rationalized? can't you have rationalized? can't they have rationalized?
V-ing perfect
can't I have been rationalizing? can't you have been rationalizing? can't he have been rationalizing? can't we have been rationalizing? can't you have been rationalizing? can't they have been rationalizing?