could bucket
Regular verb: bucket - bucketed- bucketed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bucket
you could bucket
she could bucket
we could bucket
you could bucket
they could bucket 	I could be bucketing
you could be bucketing
she could be bucketing
we could be bucketing
you could be bucketing
they could be bucketing	I could have bucketed
you could have bucketed
she could have bucketed
we could have bucketed
you could have bucketed
they could have bucketed	I could have been bucketing
you could have been bucketing
she could have been bucketing
we could have been bucketing
you could have been bucketing
they could have been bucketing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bucket
you couldn't bucket
she couldn't bucket
we couldn't bucket
you couldn't bucket
they couldn't bucket 	I couldn't be bucketing
you couldn't be bucketing
she couldn't be bucketing
we couldn't be bucketing
you couldn't be bucketing
they couldn't be bucketing	I couldn't have bucketed
you couldn't have bucketed
she couldn't have bucketed
we couldn't have bucketed
you couldn't have bucketed
they couldn't have bucketed	I couldn't have been bucketing
you couldn't have been bucketing
she couldn't have been bucketing
we couldn't have been bucketing
you couldn't have been bucketing
they couldn't have been bucketing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bucket?
could you bucket?
could she bucket?
could we bucket?
could you bucket?
could they bucket? 	could I be bucketing?
could you be bucketing?
could she be bucketing?
could we be bucketing?
could you be bucketing?
could they be bucketing? 	could I have bucketed?
could you have bucketed?
could she have bucketed?
could we have bucketed?
could you have bucketed?
could they have bucketed? 	could I have been bucketing?
could you have been bucketing?
could she have been bucketing?
could we have been bucketing?
could you have been bucketing?
could they have been bucketing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bucket?
couldn't you bucket?
couldn't she bucket?
couldn't we bucket?
couldn't you bucket?
couldn't they bucket? 	couldn't I be bucketing?
couldn't you be bucketing?
couldn't she be bucketing?
couldn't we be bucketing?
couldn't you be bucketing?
couldn't they be bucketing? 	couldn't I have bucketed?
couldn't you have bucketed?
couldn't she have bucketed?
couldn't we have bucketed?
couldn't you have bucketed?
couldn't they have bucketed? 	couldn't I have been bucketing?
couldn't you have been bucketing?
couldn't she have been bucketing?
couldn't we have been bucketing?
couldn't you have been bucketing?
couldn't they have been bucketing?