I can brag you can brag she can brag we can brag you can brag they can brag
V-ing form
I can be bragging you can be bragging she can be bragging we can be bragging you can be bragging they can be bragging
Perfect
I can have bragged you can have bragged she can have bragged we can have bragged you can have bragged they can have bragged
V-ing perfect
I can have been bragging you can have been bragging she can have been bragging we can have been bragging you can have been bragging they can have been bragging
Negation
Simple form
I can't brag you can't brag she can't brag we can't brag you can't brag they can't brag
V-ing form
I can't be bragging you can't be bragging she can't be bragging we can't be bragging you can't be bragging they can't be bragging
Perfect
I can't have bragged you can't have bragged she can't have bragged we can't have bragged you can't have bragged they can't have bragged
V-ing perfect
I can't have been bragging you can't have been bragging she can't have been bragging we can't have been bragging you can't have been bragging they can't have been bragging
Interrogative form
Simple form
can I brag? can you brag? can she brag? can we brag? can you brag? can they brag?
V-ing form
can I be bragging? can you be bragging? can she be bragging? can we be bragging? can you be bragging? can they be bragging?
Perfect
can I have bragged? can you have bragged? can she have bragged? can we have bragged? can you have bragged? can they have bragged?
V-ing perfect
can I have been bragging? can you have been bragging? can she have been bragging? can we have been bragging? can you have been bragging? can they have been bragging?
Interro-negative form
Simple form
can't I brag? can't you brag? can't she brag? can't we brag? can't you brag? can't they brag?
V-ing form
can't I be bragging? can't you be bragging? can't she be bragging? can't we be bragging? can't you be bragging? can't they be bragging?
Perfect
can't I have bragged? can't you have bragged? can't she have bragged? can't we have bragged? can't you have bragged? can't they have bragged?
V-ing perfect
can't I have been bragging? can't you have been bragging? can't she have been bragging? can't we have been bragging? can't you have been bragging? can't they have been bragging?