I can ebb you can ebb she can ebb we can ebb you can ebb they can ebb
V-ing form
I can be ebbing you can be ebbing she can be ebbing we can be ebbing you can be ebbing they can be ebbing
Perfect
I can have ebbed you can have ebbed she 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 she can have been ebbing we can have been ebbing you can have been ebbing they can have been ebbing
Negation
Simple form
I cannot ebb you cannot ebb she cannot ebb we cannot ebb you cannot ebb they cannot ebb
V-ing form
I cannot be ebbing you cannot be ebbing she cannot be ebbing we cannot be ebbing you cannot be ebbing they cannot be ebbing
Perfect
I cannot have ebbed you cannot have ebbed she cannot have ebbed we cannot have ebbed you cannot have ebbed they cannot have ebbed
V-ing perfect
I cannot have been ebbing you cannot have been ebbing she cannot have been ebbing we cannot have been ebbing you cannot have been ebbing they cannot have been ebbing
Interrogative form
Simple form
can I ebb? can you ebb? can she ebb? can we ebb? can you ebb? can they ebb?
V-ing form
can I be ebbing? can you be ebbing? can she be ebbing? can we be ebbing? can you be ebbing? can they be ebbing?
Perfect
can I have ebbed? can you have ebbed? can she 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 she have been ebbing? can we have been ebbing? can you have been ebbing? can they have been ebbing?
Interro-negative form
Simple form
can I not ebb? can you not ebb? can she not ebb? can we not ebb? can you not ebb? can they not ebb?
V-ing form
can I not be ebbing? can you not be ebbing? can she not be ebbing? can we not be ebbing? can you not be ebbing? can they not be ebbing?
Perfect
can I not have ebbed? can you not have ebbed? can she not have ebbed? can we not have ebbed? can you not have ebbed? can they not have ebbed?
V-ing perfect
can I not have been ebbing? can you not have been ebbing? can she not have been ebbing? can we not have been ebbing? can you not have been ebbing? can they not have been ebbing?