English verb conjugation
COULD REVERB

Regular verb: reverb - reverbed - reverbed

Affirmation

Simple form	V-ing form
I could reverb you could reverb he could reverb we could reverb you could reverb they could reverb	I could be reverbing you could be reverbing he could be reverbing we could be reverbing you could be reverbing they could be reverbing
Perfect	V-ing perfect
I could have reverbed you could have reverbed he could have reverbed we could have reverbed you could have reverbed they could have reverbed	I could have been reverbing you could have been reverbing he could have been reverbing we could have been reverbing you could have been reverbing they could have been reverbing

Negation

Simple form	V-ing form
I could not reverb you could not reverb he could not reverb we could not reverb you could not reverb they could not reverb	I could not be reverbing you could not be reverbing he could not be reverbing we could not be reverbing you could not be reverbing they could not be reverbing
Perfect	V-ing perfect
I could not have reverbed you could not have reverbed he could not have reverbed we could not have reverbed you could not have reverbed they could not have reverbed	I could not have been reverbing you could not have been reverbing he could not have been reverbing we could not have been reverbing you could not have been reverbing they could not have been reverbing

Interrogative form

Simple form	V-ing form
could I reverb? could you reverb? could he reverb? could we reverb? could you reverb? could they reverb?	could I be reverbing? could you be reverbing? could he be reverbing? could we be reverbing? could you be reverbing? could they be reverbing?
Perfect	V-ing perfect
could I have reverbed? could you have reverbed? could he have reverbed? could we have reverbed? could you have reverbed? could they have reverbed?	could I have been reverbing? could you have been reverbing? could he have been reverbing? could we have been reverbing? could you have been reverbing? could they have been reverbing?

Interro-negative form

Simple form	V-ing form
could I not reverb? could you not reverb? could he not reverb? could we not reverb? could you not reverb? could they not reverb?	could I not be reverbing? could you not be reverbing? could he not be reverbing? could we not be reverbing? could you not be reverbing? could they not be reverbing?
Perfect	V-ing perfect
could I not have reverbed? could you not have reverbed? could he not have reverbed? could we not have reverbed? could you not have reverbed? could they not have reverbed?	could I not have been reverbing? could you not have been reverbing? could he not have been reverbing? could we not have been reverbing? could you not have been reverbing? could they not have been reverbing?