can barb
Regular verb: barb - barbed- barbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can barb
you can barb
she can barb
we can barb
you can barb
they can barb 	I can be barbing
you can be barbing
she can be barbing
we can be barbing
you can be barbing
they can be barbing	I can have barbed
you can have barbed
she can have barbed
we can have barbed
you can have barbed
they can have barbed	I can have been barbing
you can have been barbing
she can have been barbing
we can have been barbing
you can have been barbing
they can have been barbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot barb
you cannot barb
she cannot barb
we cannot barb
you cannot barb
they cannot barb 	I cannot be barbing
you cannot be barbing
she cannot be barbing
we cannot be barbing
you cannot be barbing
they cannot be barbing	I cannot have barbed
you cannot have barbed
she cannot have barbed
we cannot have barbed
you cannot have barbed
they cannot have barbed	I cannot have been barbing
you cannot have been barbing
she cannot have been barbing
we cannot have been barbing
you cannot have been barbing
they cannot have been barbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I barb?
can you barb?
can she barb?
can we barb?
can you barb?
can they barb? 	can I be barbing?
can you be barbing?
can she be barbing?
can we be barbing?
can you be barbing?
can they be barbing? 	can I have barbed?
can you have barbed?
can she have barbed?
can we have barbed?
can you have barbed?
can they have barbed? 	can I have been barbing?
can you have been barbing?
can she have been barbing?
can we have been barbing?
can you have been barbing?
can they have been barbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not barb?
can you not barb?
can she not barb?
can we not barb?
can you not barb?
can they not barb? 	can I not be barbing?
can you not be barbing?
can she not be barbing?
can we not be barbing?
can you not be barbing?
can they not be barbing? 	can I not have barbed?
can you not have barbed?
can she not have barbed?
can we not have barbed?
can you not have barbed?
can they not have barbed? 	can I not have been barbing?
can you not have been barbing?
can she not have been barbing?
can we not have been barbing?
can you not have been barbing?
can they not have been barbing?