English verb conjugation
COULD BRAIL

Regular verb: brail - brailed - brailed

Affirmation

Simple form	V-ing form
I could brail you could brail he could brail we could brail you could brail they could brail	I could be brailing you could be brailing he could be brailing we could be brailing you could be brailing they could be brailing
Perfect	V-ing perfect
I could have brailed you could have brailed he could have brailed we could have brailed you could have brailed they could have brailed	I could have been brailing you could have been brailing he could have been brailing we could have been brailing you could have been brailing they could have been brailing

Negation

Simple form	V-ing form
I could not brail you could not brail he could not brail we could not brail you could not brail they could not brail	I could not be brailing you could not be brailing he could not be brailing we could not be brailing you could not be brailing they could not be brailing
Perfect	V-ing perfect
I could not have brailed you could not have brailed he could not have brailed we could not have brailed you could not have brailed they could not have brailed	I could not have been brailing you could not have been brailing he could not have been brailing we could not have been brailing you could not have been brailing they could not have been brailing

Interrogative form

Simple form	V-ing form
could I brail? could you brail? could he brail? could we brail? could you brail? could they brail?	could I be brailing? could you be brailing? could he be brailing? could we be brailing? could you be brailing? could they be brailing?
Perfect	V-ing perfect
could I have brailed? could you have brailed? could he have brailed? could we have brailed? could you have brailed? could they have brailed?	could I have been brailing? could you have been brailing? could he have been brailing? could we have been brailing? could you have been brailing? could they have been brailing?

Interro-negative form

Simple form	V-ing form
could I not brail? could you not brail? could he not brail? could we not brail? could you not brail? could they not brail?	could I not be brailing? could you not be brailing? could he not be brailing? could we not be brailing? could you not be brailing? could they not be brailing?
Perfect	V-ing perfect
could I not have brailed? could you not have brailed? could he not have brailed? could we not have brailed? could you not have brailed? could they not have brailed?	could I not have been brailing? could you not have been brailing? could he not have been brailing? could we not have been brailing? could you not have been brailing? could they not have been brailing?