English verb conjugation
COULD BRAG

Regular verb: brag - bragged - bragged

Affirmation

Simple form	V-ing form
I could brag you could brag he could brag we could brag you could brag they could brag	I could be bragging you could be bragging he could be bragging we could be bragging you could be bragging they could be bragging
Perfect	V-ing perfect
I could have bragged you could have bragged he could have bragged we could have bragged you could have bragged they could have bragged	I could have been bragging you could have been bragging he could have been bragging we could have been bragging you could have been bragging they could have been bragging

Negation

Simple form	V-ing form
I could not brag you could not brag he could not brag we could not brag you could not brag they could not brag	I could not be bragging you could not be bragging he could not be bragging we could not be bragging you could not be bragging they could not be bragging
Perfect	V-ing perfect
I could not have bragged you could not have bragged he could not have bragged we could not have bragged you could not have bragged they could not have bragged	I could not have been bragging you could not have been bragging he could not have been bragging we could not have been bragging you could not have been bragging they could not have been bragging

Interrogative form

Simple form	V-ing form
could I brag? could you brag? could he brag? could we brag? could you brag? could they brag?	could I be bragging? could you be bragging? could he be bragging? could we be bragging? could you be bragging? could they be bragging?
Perfect	V-ing perfect
could I have bragged? could you have bragged? could he have bragged? could we have bragged? could you have bragged? could they have bragged?	could I have been bragging? could you have been bragging? could he have been bragging? could we have been bragging? could you have been bragging? could they have been bragging?

Interro-negative form

Simple form	V-ing form
could I not brag? could you not brag? could he not brag? could we not brag? could you not brag? could they not brag?	could I not be bragging? could you not be bragging? could he not be bragging? could we not be bragging? could you not be bragging? could they not be bragging?
Perfect	V-ing perfect
could I not have bragged? could you not have bragged? could he not have bragged? could we not have bragged? could you not have bragged? could they not have bragged?	could I not have been bragging? could you not have been bragging? could he not have been bragging? could we not have been bragging? could you not have been bragging? could they not have been bragging?