can blabber
Regular verb: blabber - blabbered- blabbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can blabber
you can blabber
he can blabber
we can blabber
you can blabber
they can blabber 	I can be blabbering
you can be blabbering
he can be blabbering
we can be blabbering
you can be blabbering
they can be blabbering	I can have blabbered
you can have blabbered
he can have blabbered
we can have blabbered
you can have blabbered
they can have blabbered	I can have been blabbering
you can have been blabbering
he can have been blabbering
we can have been blabbering
you can have been blabbering
they can have been blabbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot blabber
you cannot blabber
he cannot blabber
we cannot blabber
you cannot blabber
they cannot blabber 	I cannot be blabbering
you cannot be blabbering
he cannot be blabbering
we cannot be blabbering
you cannot be blabbering
they cannot be blabbering	I cannot have blabbered
you cannot have blabbered
he cannot have blabbered
we cannot have blabbered
you cannot have blabbered
they cannot have blabbered	I cannot have been blabbering
you cannot have been blabbering
he cannot have been blabbering
we cannot have been blabbering
you cannot have been blabbering
they cannot have been blabbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I blabber?
can you blabber?
can he blabber?
can we blabber?
can you blabber?
can they blabber? 	can I be blabbering?
can you be blabbering?
can he be blabbering?
can we be blabbering?
can you be blabbering?
can they be blabbering? 	can I have blabbered?
can you have blabbered?
can he have blabbered?
can we have blabbered?
can you have blabbered?
can they have blabbered? 	can I have been blabbering?
can you have been blabbering?
can he have been blabbering?
can we have been blabbering?
can you have been blabbering?
can they have been blabbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not blabber?
can you not blabber?
can he not blabber?
can we not blabber?
can you not blabber?
can they not blabber? 	can I not be blabbering?
can you not be blabbering?
can he not be blabbering?
can we not be blabbering?
can you not be blabbering?
can they not be blabbering? 	can I not have blabbered?
can you not have blabbered?
can he not have blabbered?
can we not have blabbered?
can you not have blabbered?
can they not have blabbered? 	can I not have been blabbering?
can you not have been blabbering?
can he not have been blabbering?
can we not have been blabbering?
can you not have been blabbering?
can they not have been blabbering?