I can ebb you can ebb he can ebb we can ebb you can ebb they can ebb
V-ing form
I can be ebbing you can be ebbing he can be ebbing we can be ebbing you can be ebbing they can be ebbing
Perfect
I can have ebbed you can have ebbed he can have ebbed we can have ebbed you can have ebbed they can have ebbed
V-ing perfect
I can have been ebbing you can have been ebbing he can have been ebbing we can have been ebbing you can have been ebbing they can have been ebbing
Negation
Simple form
I can't ebb you can't ebb he can't ebb we can't ebb you can't ebb they can't ebb
V-ing form
I can't be ebbing you can't be ebbing he can't be ebbing we can't be ebbing you can't be ebbing they can't be ebbing
Perfect
I can't have ebbed you can't have ebbed he can't have ebbed we can't have ebbed you can't have ebbed they can't have ebbed
V-ing perfect
I can't have been ebbing you can't have been ebbing he can't have been ebbing we can't have been ebbing you can't have been ebbing they can't have been ebbing
Interrogative form
Simple form
can I ebb? can you ebb? can he ebb? can we ebb? can you ebb? can they ebb?
V-ing form
can I be ebbing? can you be ebbing? can he be ebbing? can we be ebbing? can you be ebbing? can they be ebbing?
Perfect
can I have ebbed? can you have ebbed? can he have ebbed? can we have ebbed? can you have ebbed? can they have ebbed?
V-ing perfect
can I have been ebbing? can you have been ebbing? can he have been ebbing? can we have been ebbing? can you have been ebbing? can they have been ebbing?
Interro-negative form
Simple form
can't I ebb? can't you ebb? can't he ebb? can't we ebb? can't you ebb? can't they ebb?
V-ing form
can't I be ebbing? can't you be ebbing? can't he be ebbing? can't we be ebbing? can't you be ebbing? can't they be ebbing?
Perfect
can't I have ebbed? can't you have ebbed? can't he have ebbed? can't we have ebbed? can't you have ebbed? can't they have ebbed?
V-ing perfect
can't I have been ebbing? can't you have been ebbing? can't he have been ebbing? can't we have been ebbing? can't you have been ebbing? can't they have been ebbing?