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 couldn't ebb you couldn't ebb he couldn't ebb we couldn't ebb you couldn't ebb they couldn't ebb	I couldn't be ebbing you couldn't be ebbing he couldn't be ebbing we couldn't be ebbing you couldn't be ebbing they couldn't be ebbing
Perfect	V-ing perfect
I couldn't have ebbed you couldn't have ebbed he couldn't have ebbed we couldn't have ebbed you couldn't have ebbed they couldn't have ebbed	I couldn't have been ebbing you couldn't have been ebbing he couldn't have been ebbing we couldn't have been ebbing you couldn't have been ebbing they couldn't 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
couldn't I ebb? couldn't you ebb? couldn't he ebb? couldn't we ebb? couldn't you ebb? couldn't they ebb?	couldn't I be ebbing? couldn't you be ebbing? couldn't he be ebbing? couldn't we be ebbing? couldn't you be ebbing? couldn't they be ebbing?
Perfect	V-ing perfect
couldn't I have ebbed? couldn't you have ebbed? couldn't he have ebbed? couldn't we have ebbed? couldn't you have ebbed? couldn't they have ebbed?	couldn't I have been ebbing? couldn't you have been ebbing? couldn't he have been ebbing? couldn't we have been ebbing? couldn't you have been ebbing? couldn't they have been ebbing?