can blubber
Regular verb: blubber - blubbered- blubbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can blubber
you can blubber
he can blubber
we can blubber
you can blubber
they can blubber 	I can be blubbering
you can be blubbering
he can be blubbering
we can be blubbering
you can be blubbering
they can be blubbering	I can have blubbered
you can have blubbered
he can have blubbered
we can have blubbered
you can have blubbered
they can have blubbered	I can have been blubbering
you can have been blubbering
he can have been blubbering
we can have been blubbering
you can have been blubbering
they can have been blubbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't blubber
you can't blubber
he can't blubber
we can't blubber
you can't blubber
they can't blubber 	I can't be blubbering
you can't be blubbering
he can't be blubbering
we can't be blubbering
you can't be blubbering
they can't be blubbering	I can't have blubbered
you can't have blubbered
he can't have blubbered
we can't have blubbered
you can't have blubbered
they can't have blubbered	I can't have been blubbering
you can't have been blubbering
he can't have been blubbering
we can't have been blubbering
you can't have been blubbering
they can't have been blubbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I blubber?
can you blubber?
can he blubber?
can we blubber?
can you blubber?
can they blubber? 	can I be blubbering?
can you be blubbering?
can he be blubbering?
can we be blubbering?
can you be blubbering?
can they be blubbering? 	can I have blubbered?
can you have blubbered?
can he have blubbered?
can we have blubbered?
can you have blubbered?
can they have blubbered? 	can I have been blubbering?
can you have been blubbering?
can he have been blubbering?
can we have been blubbering?
can you have been blubbering?
can they have been blubbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I blubber?
can't you blubber?
can't he blubber?
can't we blubber?
can't you blubber?
can't they blubber? 	can't I be blubbering?
can't you be blubbering?
can't he be blubbering?
can't we be blubbering?
can't you be blubbering?
can't they be blubbering? 	can't I have blubbered?
can't you have blubbered?
can't he have blubbered?
can't we have blubbered?
can't you have blubbered?
can't they have blubbered? 	can't I have been blubbering?
can't you have been blubbering?
can't he have been blubbering?
can't we have been blubbering?
can't you have been blubbering?
can't they have been blubbering?