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 couldn't brag you couldn't brag he couldn't brag we couldn't brag you couldn't brag they couldn't brag	I couldn't be bragging you couldn't be bragging he couldn't be bragging we couldn't be bragging you couldn't be bragging they couldn't be bragging
Perfect	V-ing perfect
I couldn't have bragged you couldn't have bragged he couldn't have bragged we couldn't have bragged you couldn't have bragged they couldn't have bragged	I couldn't have been bragging you couldn't have been bragging he couldn't have been bragging we couldn't have been bragging you couldn't have been bragging they couldn't 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
couldn't I brag? couldn't you brag? couldn't he brag? couldn't we brag? couldn't you brag? couldn't they brag?	couldn't I be bragging? couldn't you be bragging? couldn't he be bragging? couldn't we be bragging? couldn't you be bragging? couldn't they be bragging?
Perfect	V-ing perfect
couldn't I have bragged? couldn't you have bragged? couldn't he have bragged? couldn't we have bragged? couldn't you have bragged? couldn't they have bragged?	couldn't I have been bragging? couldn't you have been bragging? couldn't he have been bragging? couldn't we have been bragging? couldn't you have been bragging? couldn't they have been bragging?