could redefine
Regular verb: redefine - redefined- redefined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could redefine
you could redefine
she could redefine
we could redefine
you could redefine
they could redefine 	I could be redefining
you could be redefining
she could be redefining
we could be redefining
you could be redefining
they could be redefining	I could have redefined
you could have redefined
she could have redefined
we could have redefined
you could have redefined
they could have redefined	I could have been redefining
you could have been redefining
she could have been redefining
we could have been redefining
you could have been redefining
they could have been redefining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't redefine
you couldn't redefine
she couldn't redefine
we couldn't redefine
you couldn't redefine
they couldn't redefine 	I couldn't be redefining
you couldn't be redefining
she couldn't be redefining
we couldn't be redefining
you couldn't be redefining
they couldn't be redefining	I couldn't have redefined
you couldn't have redefined
she couldn't have redefined
we couldn't have redefined
you couldn't have redefined
they couldn't have redefined	I couldn't have been redefining
you couldn't have been redefining
she couldn't have been redefining
we couldn't have been redefining
you couldn't have been redefining
they couldn't have been redefining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I redefine?
could you redefine?
could she redefine?
could we redefine?
could you redefine?
could they redefine? 	could I be redefining?
could you be redefining?
could she be redefining?
could we be redefining?
could you be redefining?
could they be redefining? 	could I have redefined?
could you have redefined?
could she have redefined?
could we have redefined?
could you have redefined?
could they have redefined? 	could I have been redefining?
could you have been redefining?
could she have been redefining?
could we have been redefining?
could you have been redefining?
could they have been redefining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I redefine?
couldn't you redefine?
couldn't she redefine?
couldn't we redefine?
couldn't you redefine?
couldn't they redefine? 	couldn't I be redefining?
couldn't you be redefining?
couldn't she be redefining?
couldn't we be redefining?
couldn't you be redefining?
couldn't they be redefining? 	couldn't I have redefined?
couldn't you have redefined?
couldn't she have redefined?
couldn't we have redefined?
couldn't you have redefined?
couldn't they have redefined? 	couldn't I have been redefining?
couldn't you have been redefining?
couldn't she have been redefining?
couldn't we have been redefining?
couldn't you have been redefining?
couldn't they have been redefining?