could ebb
Verbo regular: ebb - ebbed- ebbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could ebb
you could ebb
she could ebb
we could ebb
you could ebb
they could ebb 	I could be ebbing
you could be ebbing
she could be ebbing
we could be ebbing
you could be ebbing
they could be ebbing	I could have ebbed
you could have ebbed
she 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
she could have been ebbing
we could have been ebbing
you could have been ebbing
they could have been ebbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't ebb
you couldn't ebb
she 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
she couldn't be ebbing
we couldn't be ebbing
you couldn't be ebbing
they couldn't be ebbing	I couldn't have ebbed
you couldn't have ebbed
she 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
she couldn't have been ebbing
we couldn't have been ebbing
you couldn't have been ebbing
they couldn't have been ebbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I ebb?
could you ebb?
could she ebb?
could we ebb?
could you ebb?
could they ebb? 	could I be ebbing?
could you be ebbing?
could she be ebbing?
could we be ebbing?
could you be ebbing?
could they be ebbing? 	could I have ebbed?
could you have ebbed?
could she 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 she have been ebbing?
could we have been ebbing?
could you have been ebbing?
could they have been ebbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I ebb?
couldn't you ebb?
couldn't she 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 she be ebbing?
couldn't we be ebbing?
couldn't you be ebbing?
couldn't they be ebbing? 	couldn't I have ebbed?
couldn't you have ebbed?
couldn't she 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 she have been ebbing?
couldn't we have been ebbing?
couldn't you have been ebbing?
couldn't they have been ebbing?