English verb conjugation
COULD REBUT

Regular verb: rebut - rebuted - rebuted

Affirmation

Simple form	V-ing form
I could rebut you could rebut he could rebut we could rebut you could rebut they could rebut	I could be rebuting you could be rebuting he could be rebuting we could be rebuting you could be rebuting they could be rebuting
Perfect	V-ing perfect
I could have rebuted you could have rebuted he could have rebuted we could have rebuted you could have rebuted they could have rebuted	I could have been rebuting you could have been rebuting he could have been rebuting we could have been rebuting you could have been rebuting they could have been rebuting

Negation

Simple form	V-ing form
I couldn't rebut you couldn't rebut he couldn't rebut we couldn't rebut you couldn't rebut they couldn't rebut	I couldn't be rebuting you couldn't be rebuting he couldn't be rebuting we couldn't be rebuting you couldn't be rebuting they couldn't be rebuting
Perfect	V-ing perfect
I couldn't have rebuted you couldn't have rebuted he couldn't have rebuted we couldn't have rebuted you couldn't have rebuted they couldn't have rebuted	I couldn't have been rebuting you couldn't have been rebuting he couldn't have been rebuting we couldn't have been rebuting you couldn't have been rebuting they couldn't have been rebuting

Interrogative form

Simple form	V-ing form
could I rebut? could you rebut? could he rebut? could we rebut? could you rebut? could they rebut?	could I be rebuting? could you be rebuting? could he be rebuting? could we be rebuting? could you be rebuting? could they be rebuting?
Perfect	V-ing perfect
could I have rebuted? could you have rebuted? could he have rebuted? could we have rebuted? could you have rebuted? could they have rebuted?	could I have been rebuting? could you have been rebuting? could he have been rebuting? could we have been rebuting? could you have been rebuting? could they have been rebuting?

Interro-negative form

Simple form	V-ing form
couldn't I rebut? couldn't you rebut? couldn't he rebut? couldn't we rebut? couldn't you rebut? couldn't they rebut?	couldn't I be rebuting? couldn't you be rebuting? couldn't he be rebuting? couldn't we be rebuting? couldn't you be rebuting? couldn't they be rebuting?
Perfect	V-ing perfect
couldn't I have rebuted? couldn't you have rebuted? couldn't he have rebuted? couldn't we have rebuted? couldn't you have rebuted? couldn't they have rebuted?	couldn't I have been rebuting? couldn't you have been rebuting? couldn't he have been rebuting? couldn't we have been rebuting? couldn't you have been rebuting? couldn't they have been rebuting?