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 couldn't brail you couldn't brail he couldn't brail we couldn't brail you couldn't brail they couldn't brail	I couldn't be brailing you couldn't be brailing he couldn't be brailing we couldn't be brailing you couldn't be brailing they couldn't be brailing
Perfect	V-ing perfect
I couldn't have brailed you couldn't have brailed he couldn't have brailed we couldn't have brailed you couldn't have brailed they couldn't have brailed	I couldn't have been brailing you couldn't have been brailing he couldn't have been brailing we couldn't have been brailing you couldn't have been brailing they couldn't 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
couldn't I brail? couldn't you brail? couldn't he brail? couldn't we brail? couldn't you brail? couldn't they brail?	couldn't I be brailing? couldn't you be brailing? couldn't he be brailing? couldn't we be brailing? couldn't you be brailing? couldn't they be brailing?
Perfect	V-ing perfect
couldn't I have brailed? couldn't you have brailed? couldn't he have brailed? couldn't we have brailed? couldn't you have brailed? couldn't they have brailed?	couldn't I have been brailing? couldn't you have been brailing? couldn't he have been brailing? couldn't we have been brailing? couldn't you have been brailing? couldn't they have been brailing?