can ration
Regular verb: ration - rationed- rationed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can ration
you can ration
she can ration
we can ration
you can ration
they can ration 	I can be rationing
you can be rationing
she can be rationing
we can be rationing
you can be rationing
they can be rationing	I can have rationed
you can have rationed
she can have rationed
we can have rationed
you can have rationed
they can have rationed	I can have been rationing
you can have been rationing
she can have been rationing
we can have been rationing
you can have been rationing
they can have been rationing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't ration
you can't ration
she can't ration
we can't ration
you can't ration
they can't ration 	I can't be rationing
you can't be rationing
she can't be rationing
we can't be rationing
you can't be rationing
they can't be rationing	I can't have rationed
you can't have rationed
she can't have rationed
we can't have rationed
you can't have rationed
they can't have rationed	I can't have been rationing
you can't have been rationing
she can't have been rationing
we can't have been rationing
you can't have been rationing
they can't have been rationing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I ration?
can you ration?
can she ration?
can we ration?
can you ration?
can they ration? 	can I be rationing?
can you be rationing?
can she be rationing?
can we be rationing?
can you be rationing?
can they be rationing? 	can I have rationed?
can you have rationed?
can she have rationed?
can we have rationed?
can you have rationed?
can they have rationed? 	can I have been rationing?
can you have been rationing?
can she have been rationing?
can we have been rationing?
can you have been rationing?
can they have been rationing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I ration?
can't you ration?
can't she ration?
can't we ration?
can't you ration?
can't they ration? 	can't I be rationing?
can't you be rationing?
can't she be rationing?
can't we be rationing?
can't you be rationing?
can't they be rationing? 	can't I have rationed?
can't you have rationed?
can't she have rationed?
can't we have rationed?
can't you have rationed?
can't they have rationed? 	can't I have been rationing?
can't you have been rationing?
can't she have been rationing?
can't we have been rationing?
can't you have been rationing?
can't they have been rationing?