could bung
Regular verb: bung - bunged- bunged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bung
you could bung
she could bung
we could bung
you could bung
they could bung 	I could be bunging
you could be bunging
she could be bunging
we could be bunging
you could be bunging
they could be bunging	I could have bunged
you could have bunged
she could have bunged
we could have bunged
you could have bunged
they could have bunged	I could have been bunging
you could have been bunging
she could have been bunging
we could have been bunging
you could have been bunging
they could have been bunging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bung
you couldn't bung
she couldn't bung
we couldn't bung
you couldn't bung
they couldn't bung 	I couldn't be bunging
you couldn't be bunging
she couldn't be bunging
we couldn't be bunging
you couldn't be bunging
they couldn't be bunging	I couldn't have bunged
you couldn't have bunged
she couldn't have bunged
we couldn't have bunged
you couldn't have bunged
they couldn't have bunged	I couldn't have been bunging
you couldn't have been bunging
she couldn't have been bunging
we couldn't have been bunging
you couldn't have been bunging
they couldn't have been bunging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bung?
could you bung?
could she bung?
could we bung?
could you bung?
could they bung? 	could I be bunging?
could you be bunging?
could she be bunging?
could we be bunging?
could you be bunging?
could they be bunging? 	could I have bunged?
could you have bunged?
could she have bunged?
could we have bunged?
could you have bunged?
could they have bunged? 	could I have been bunging?
could you have been bunging?
could she have been bunging?
could we have been bunging?
could you have been bunging?
could they have been bunging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bung?
couldn't you bung?
couldn't she bung?
couldn't we bung?
couldn't you bung?
couldn't they bung? 	couldn't I be bunging?
couldn't you be bunging?
couldn't she be bunging?
couldn't we be bunging?
couldn't you be bunging?
couldn't they be bunging? 	couldn't I have bunged?
couldn't you have bunged?
couldn't she have bunged?
couldn't we have bunged?
couldn't you have bunged?
couldn't they have bunged? 	couldn't I have been bunging?
couldn't you have been bunging?
couldn't she have been bunging?
couldn't we have been bunging?
couldn't you have been bunging?
couldn't they have been bunging?