I can bucket you can bucket he can bucket we can bucket you can bucket they can bucket
V-ing form
I can be bucketing you can be bucketing he can be bucketing we can be bucketing you can be bucketing they can be bucketing
Perfect
I can have bucketed you can have bucketed he can have bucketed we can have bucketed you can have bucketed they can have bucketed
V-ing perfect
I can have been bucketing you can have been bucketing he can have been bucketing we can have been bucketing you can have been bucketing they can have been bucketing
Negation
Simple form
I can't bucket you can't bucket he can't bucket we can't bucket you can't bucket they can't bucket
V-ing form
I can't be bucketing you can't be bucketing he can't be bucketing we can't be bucketing you can't be bucketing they can't be bucketing
Perfect
I can't have bucketed you can't have bucketed he can't have bucketed we can't have bucketed you can't have bucketed they can't have bucketed
V-ing perfect
I can't have been bucketing you can't have been bucketing he can't have been bucketing we can't have been bucketing you can't have been bucketing they can't have been bucketing
Interrogative form
Simple form
can I bucket? can you bucket? can he bucket? can we bucket? can you bucket? can they bucket?
V-ing form
can I be bucketing? can you be bucketing? can he be bucketing? can we be bucketing? can you be bucketing? can they be bucketing?
Perfect
can I have bucketed? can you have bucketed? can he have bucketed? can we have bucketed? can you have bucketed? can they have bucketed?
V-ing perfect
can I have been bucketing? can you have been bucketing? can he have been bucketing? can we have been bucketing? can you have been bucketing? can they have been bucketing?
Interro-negative form
Simple form
can't I bucket? can't you bucket? can't he bucket? can't we bucket? can't you bucket? can't they bucket?
V-ing form
can't I be bucketing? can't you be bucketing? can't he be bucketing? can't we be bucketing? can't you be bucketing? can't they be bucketing?
Perfect
can't I have bucketed? can't you have bucketed? can't he have bucketed? can't we have bucketed? can't you have bucketed? can't they have bucketed?
V-ing perfect
can't I have been bucketing? can't you have been bucketing? can't he have been bucketing? can't we have been bucketing? can't you have been bucketing? can't they have been bucketing?