can brag
Regular verb: brag - bragged- bragged

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

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

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

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