English verb conjugation
COULD REBUTTON

Regular verb: rebutton - rebuttoned - rebuttoned

Affirmation

Simple form	V-ing form
I could rebutton you could rebutton she could rebutton we could rebutton you could rebutton they could rebutton	I could be rebuttoning you could be rebuttoning she could be rebuttoning we could be rebuttoning you could be rebuttoning they could be rebuttoning
Perfect	V-ing perfect
I could have rebuttoned you could have rebuttoned she could have rebuttoned we could have rebuttoned you could have rebuttoned they could have rebuttoned	I could have been rebuttoning you could have been rebuttoning she could have been rebuttoning we could have been rebuttoning you could have been rebuttoning they could have been rebuttoning

Negation

Simple form	V-ing form
I could not rebutton you could not rebutton she could not rebutton we could not rebutton you could not rebutton they could not rebutton	I could not be rebuttoning you could not be rebuttoning she could not be rebuttoning we could not be rebuttoning you could not be rebuttoning they could not be rebuttoning
Perfect	V-ing perfect
I could not have rebuttoned you could not have rebuttoned she could not have rebuttoned we could not have rebuttoned you could not have rebuttoned they could not have rebuttoned	I could not have been rebuttoning you could not have been rebuttoning she could not have been rebuttoning we could not have been rebuttoning you could not have been rebuttoning they could not have been rebuttoning

Interrogative form

Simple form	V-ing form
could I rebutton? could you rebutton? could she rebutton? could we rebutton? could you rebutton? could they rebutton?	could I be rebuttoning? could you be rebuttoning? could she be rebuttoning? could we be rebuttoning? could you be rebuttoning? could they be rebuttoning?
Perfect	V-ing perfect
could I have rebuttoned? could you have rebuttoned? could she have rebuttoned? could we have rebuttoned? could you have rebuttoned? could they have rebuttoned?	could I have been rebuttoning? could you have been rebuttoning? could she have been rebuttoning? could we have been rebuttoning? could you have been rebuttoning? could they have been rebuttoning?

Interro-negative form

Simple form	V-ing form
could I not rebutton? could you not rebutton? could she not rebutton? could we not rebutton? could you not rebutton? could they not rebutton?	could I not be rebuttoning? could you not be rebuttoning? could she not be rebuttoning? could we not be rebuttoning? could you not be rebuttoning? could they not be rebuttoning?
Perfect	V-ing perfect
could I not have rebuttoned? could you not have rebuttoned? could she not have rebuttoned? could we not have rebuttoned? could you not have rebuttoned? could they not have rebuttoned?	could I not have been rebuttoning? could you not have been rebuttoning? could she not have been rebuttoning? could we not have been rebuttoning? could you not have been rebuttoning? could they not have been rebuttoning?