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 couldn't reverb you couldn't reverb he couldn't reverb we couldn't reverb you couldn't reverb they couldn't reverb	I couldn't be reverbing you couldn't be reverbing he couldn't be reverbing we couldn't be reverbing you couldn't be reverbing they couldn't be reverbing
Perfect	V-ing perfect
I couldn't have reverbed you couldn't have reverbed he couldn't have reverbed we couldn't have reverbed you couldn't have reverbed they couldn't have reverbed	I couldn't have been reverbing you couldn't have been reverbing he couldn't have been reverbing we couldn't have been reverbing you couldn't have been reverbing they couldn't 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
couldn't I reverb? couldn't you reverb? couldn't he reverb? couldn't we reverb? couldn't you reverb? couldn't they reverb?	couldn't I be reverbing? couldn't you be reverbing? couldn't he be reverbing? couldn't we be reverbing? couldn't you be reverbing? couldn't they be reverbing?
Perfect	V-ing perfect
couldn't I have reverbed? couldn't you have reverbed? couldn't he have reverbed? couldn't we have reverbed? couldn't you have reverbed? couldn't they have reverbed?	couldn't I have been reverbing? couldn't you have been reverbing? couldn't he have been reverbing? couldn't we have been reverbing? couldn't you have been reverbing? couldn't they have been reverbing?