could repudiate
Regular verb: repudiate - repudiated- repudiated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could repudiate
you could repudiate
she could repudiate
we could repudiate
you could repudiate
they could repudiate 	I could be repudiating
you could be repudiating
she could be repudiating
we could be repudiating
you could be repudiating
they could be repudiating	I could have repudiated
you could have repudiated
she could have repudiated
we could have repudiated
you could have repudiated
they could have repudiated	I could have been repudiating
you could have been repudiating
she could have been repudiating
we could have been repudiating
you could have been repudiating
they could have been repudiating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't repudiate
you couldn't repudiate
she couldn't repudiate
we couldn't repudiate
you couldn't repudiate
they couldn't repudiate 	I couldn't be repudiating
you couldn't be repudiating
she couldn't be repudiating
we couldn't be repudiating
you couldn't be repudiating
they couldn't be repudiating	I couldn't have repudiated
you couldn't have repudiated
she couldn't have repudiated
we couldn't have repudiated
you couldn't have repudiated
they couldn't have repudiated	I couldn't have been repudiating
you couldn't have been repudiating
she couldn't have been repudiating
we couldn't have been repudiating
you couldn't have been repudiating
they couldn't have been repudiating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I repudiate?
could you repudiate?
could she repudiate?
could we repudiate?
could you repudiate?
could they repudiate? 	could I be repudiating?
could you be repudiating?
could she be repudiating?
could we be repudiating?
could you be repudiating?
could they be repudiating? 	could I have repudiated?
could you have repudiated?
could she have repudiated?
could we have repudiated?
could you have repudiated?
could they have repudiated? 	could I have been repudiating?
could you have been repudiating?
could she have been repudiating?
could we have been repudiating?
could you have been repudiating?
could they have been repudiating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I repudiate?
couldn't you repudiate?
couldn't she repudiate?
couldn't we repudiate?
couldn't you repudiate?
couldn't they repudiate? 	couldn't I be repudiating?
couldn't you be repudiating?
couldn't she be repudiating?
couldn't we be repudiating?
couldn't you be repudiating?
couldn't they be repudiating? 	couldn't I have repudiated?
couldn't you have repudiated?
couldn't she have repudiated?
couldn't we have repudiated?
couldn't you have repudiated?
couldn't they have repudiated? 	couldn't I have been repudiating?
couldn't you have been repudiating?
couldn't she have been repudiating?
couldn't we have been repudiating?
couldn't you have been repudiating?
couldn't they have been repudiating?