English verb conjugation
COULD EBB

Regular verb: ebb - ebbed - ebbed

Affirmation

Simple form	V-ing form
I could ebb you could ebb he could ebb we could ebb you could ebb they could ebb	I could be ebbing you could be ebbing he could be ebbing we could be ebbing you could be ebbing they could be ebbing
Perfect	V-ing perfect
I could have ebbed you could have ebbed he could have ebbed we could have ebbed you could have ebbed they could have ebbed	I could have been ebbing you could have been ebbing he could have been ebbing we could have been ebbing you could have been ebbing they could have been ebbing

Negation

Simple form	V-ing form
I could not ebb you could not ebb he could not ebb we could not ebb you could not ebb they could not ebb	I could not be ebbing you could not be ebbing he could not be ebbing we could not be ebbing you could not be ebbing they could not be ebbing
Perfect	V-ing perfect
I could not have ebbed you could not have ebbed he could not have ebbed we could not have ebbed you could not have ebbed they could not have ebbed	I could not have been ebbing you could not have been ebbing he could not have been ebbing we could not have been ebbing you could not have been ebbing they could not have been ebbing

Interrogative form

Simple form	V-ing form
could I ebb? could you ebb? could he ebb? could we ebb? could you ebb? could they ebb?	could I be ebbing? could you be ebbing? could he be ebbing? could we be ebbing? could you be ebbing? could they be ebbing?
Perfect	V-ing perfect
could I have ebbed? could you have ebbed? could he have ebbed? could we have ebbed? could you have ebbed? could they have ebbed?	could I have been ebbing? could you have been ebbing? could he have been ebbing? could we have been ebbing? could you have been ebbing? could they have been ebbing?

Interro-negative form

Simple form	V-ing form
could I not ebb? could you not ebb? could he not ebb? could we not ebb? could you not ebb? could they not ebb?	could I not be ebbing? could you not be ebbing? could he not be ebbing? could we not be ebbing? could you not be ebbing? could they not be ebbing?
Perfect	V-ing perfect
could I not have ebbed? could you not have ebbed? could he not have ebbed? could we not have ebbed? could you not have ebbed? could they not have ebbed?	could I not have been ebbing? could you not have been ebbing? could he not have been ebbing? could we not have been ebbing? could you not have been ebbing? could they not have been ebbing?