could repudiate
Regular verb: repudiate - repudiated- repudiated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could repudiate
you could repudiate
he could repudiate
we could repudiate
you could repudiate
they could repudiate 	I could be repudiating
you could be repudiating
he could be repudiating
we could be repudiating
you could be repudiating
they could be repudiating	I could have repudiated
you could have repudiated
he 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
he 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
he 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
he 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
he 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
he 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 he repudiate?
could we repudiate?
could you repudiate?
could they repudiate? 	could I be repudiating?
could you be repudiating?
could he be repudiating?
could we be repudiating?
could you be repudiating?
could they be repudiating? 	could I have repudiated?
could you have repudiated?
could he 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 he 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 he 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 he 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 he 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 he have been repudiating?
couldn't we have been repudiating?
couldn't you have been repudiating?
couldn't they have been repudiating?