could betray
Regular verb: betray - betrayed- betrayed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could betray
you could betray
he could betray
we could betray
you could betray
they could betray 	I could be betraying
you could be betraying
he could be betraying
we could be betraying
you could be betraying
they could be betraying	I could have betrayed
you could have betrayed
he could have betrayed
we could have betrayed
you could have betrayed
they could have betrayed	I could have been betraying
you could have been betraying
he could have been betraying
we could have been betraying
you could have been betraying
they could have been betraying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't betray
you couldn't betray
he couldn't betray
we couldn't betray
you couldn't betray
they couldn't betray 	I couldn't be betraying
you couldn't be betraying
he couldn't be betraying
we couldn't be betraying
you couldn't be betraying
they couldn't be betraying	I couldn't have betrayed
you couldn't have betrayed
he couldn't have betrayed
we couldn't have betrayed
you couldn't have betrayed
they couldn't have betrayed	I couldn't have been betraying
you couldn't have been betraying
he couldn't have been betraying
we couldn't have been betraying
you couldn't have been betraying
they couldn't have been betraying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I betray?
could you betray?
could he betray?
could we betray?
could you betray?
could they betray? 	could I be betraying?
could you be betraying?
could he be betraying?
could we be betraying?
could you be betraying?
could they be betraying? 	could I have betrayed?
could you have betrayed?
could he have betrayed?
could we have betrayed?
could you have betrayed?
could they have betrayed? 	could I have been betraying?
could you have been betraying?
could he have been betraying?
could we have been betraying?
could you have been betraying?
could they have been betraying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I betray?
couldn't you betray?
couldn't he betray?
couldn't we betray?
couldn't you betray?
couldn't they betray? 	couldn't I be betraying?
couldn't you be betraying?
couldn't he be betraying?
couldn't we be betraying?
couldn't you be betraying?
couldn't they be betraying? 	couldn't I have betrayed?
couldn't you have betrayed?
couldn't he have betrayed?
couldn't we have betrayed?
couldn't you have betrayed?
couldn't they have betrayed? 	couldn't I have been betraying?
couldn't you have been betraying?
couldn't he have been betraying?
couldn't we have been betraying?
couldn't you have been betraying?
couldn't they have been betraying?