can rationalize
Regular verb: rationalize - rationalized- rationalized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can rationalize
you can rationalize
she can rationalize
we can rationalize
you can rationalize
they can rationalize 	I can be rationalizing
you can be rationalizing
she can be rationalizing
we can be rationalizing
you can be rationalizing
they can be rationalizing	I can have rationalized
you can have rationalized
she can have rationalized
we can have rationalized
you can have rationalized
they can have rationalized	I can have been rationalizing
you can have been rationalizing
she can have been rationalizing
we can have been rationalizing
you can have been rationalizing
they can have been rationalizing	

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

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