could bin
Regular verb: bin - bined- bined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bin
you could bin
she could bin
we could bin
you could bin
they could bin 	I could be bining
you could be bining
she could be bining
we could be bining
you could be bining
they could be bining	I could have bined
you could have bined
she could have bined
we could have bined
you could have bined
they could have bined	I could have been bining
you could have been bining
she could have been bining
we could have been bining
you could have been bining
they could have been bining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not bin
you could not bin
she could not bin
we could not bin
you could not bin
they could not bin 	I could not be bining
you could not be bining
she could not be bining
we could not be bining
you could not be bining
they could not be bining	I could not have bined
you could not have bined
she could not have bined
we could not have bined
you could not have bined
they could not have bined	I could not have been bining
you could not have been bining
she could not have been bining
we could not have been bining
you could not have been bining
they could not have been bining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bin?
could you bin?
could she bin?
could we bin?
could you bin?
could they bin? 	could I be bining?
could you be bining?
could she be bining?
could we be bining?
could you be bining?
could they be bining? 	could I have bined?
could you have bined?
could she have bined?
could we have bined?
could you have bined?
could they have bined? 	could I have been bining?
could you have been bining?
could she have been bining?
could we have been bining?
could you have been bining?
could they have been bining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not bin?
could you not bin?
could she not bin?
could we not bin?
could you not bin?
could they not bin? 	could I not be bining?
could you not be bining?
could she not be bining?
could we not be bining?
could you not be bining?
could they not be bining? 	could I not have bined?
could you not have bined?
could she not have bined?
could we not have bined?
could you not have bined?
could they not have bined? 	could I not have been bining?
could you not have been bining?
could she not have been bining?
could we not have been bining?
could you not have been bining?
could they not have been bining?