can rationalise
Regular verb: rationalise - rationalised- rationalised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can rationalise
you can rationalise
she can rationalise
we can rationalise
you can rationalise
they can rationalise 	I can be rationalising
you can be rationalising
she can be rationalising
we can be rationalising
you can be rationalising
they can be rationalising	I can have rationalised
you can have rationalised
she can have rationalised
we can have rationalised
you can have rationalised
they can have rationalised	I can have been rationalising
you can have been rationalising
she can have been rationalising
we can have been rationalising
you can have been rationalising
they can have been rationalising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't rationalise
you can't rationalise
she can't rationalise
we can't rationalise
you can't rationalise
they can't rationalise 	I can't be rationalising
you can't be rationalising
she can't be rationalising
we can't be rationalising
you can't be rationalising
they can't be rationalising	I can't have rationalised
you can't have rationalised
she can't have rationalised
we can't have rationalised
you can't have rationalised
they can't have rationalised	I can't have been rationalising
you can't have been rationalising
she can't have been rationalising
we can't have been rationalising
you can't have been rationalising
they can't have been rationalising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I rationalise?
can you rationalise?
can she rationalise?
can we rationalise?
can you rationalise?
can they rationalise? 	can I be rationalising?
can you be rationalising?
can she be rationalising?
can we be rationalising?
can you be rationalising?
can they be rationalising? 	can I have rationalised?
can you have rationalised?
can she have rationalised?
can we have rationalised?
can you have rationalised?
can they have rationalised? 	can I have been rationalising?
can you have been rationalising?
can she have been rationalising?
can we have been rationalising?
can you have been rationalising?
can they have been rationalising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I rationalise?
can't you rationalise?
can't she rationalise?
can't we rationalise?
can't you rationalise?
can't they rationalise? 	can't I be rationalising?
can't you be rationalising?
can't she be rationalising?
can't we be rationalising?
can't you be rationalising?
can't they be rationalising? 	can't I have rationalised?
can't you have rationalised?
can't she have rationalised?
can't we have rationalised?
can't you have rationalised?
can't they have rationalised? 	can't I have been rationalising?
can't you have been rationalising?
can't she have been rationalising?
can't we have been rationalising?
can't you have been rationalising?
can't they have been rationalising?