may rationalise
Regular verb: rationalise - rationalised- rationalised

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

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

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

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