can clabber
Regular verb: clabber - clabbered- clabbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can clabber
you can clabber
she can clabber
we can clabber
you can clabber
they can clabber 	I can be clabbering
you can be clabbering
she can be clabbering
we can be clabbering
you can be clabbering
they can be clabbering	I can have clabbered
you can have clabbered
she can have clabbered
we can have clabbered
you can have clabbered
they can have clabbered	I can have been clabbering
you can have been clabbering
she can have been clabbering
we can have been clabbering
you can have been clabbering
they can have been clabbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't clabber
you can't clabber
she can't clabber
we can't clabber
you can't clabber
they can't clabber 	I can't be clabbering
you can't be clabbering
she can't be clabbering
we can't be clabbering
you can't be clabbering
they can't be clabbering	I can't have clabbered
you can't have clabbered
she can't have clabbered
we can't have clabbered
you can't have clabbered
they can't have clabbered	I can't have been clabbering
you can't have been clabbering
she can't have been clabbering
we can't have been clabbering
you can't have been clabbering
they can't have been clabbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I clabber?
can you clabber?
can she clabber?
can we clabber?
can you clabber?
can they clabber? 	can I be clabbering?
can you be clabbering?
can she be clabbering?
can we be clabbering?
can you be clabbering?
can they be clabbering? 	can I have clabbered?
can you have clabbered?
can she have clabbered?
can we have clabbered?
can you have clabbered?
can they have clabbered? 	can I have been clabbering?
can you have been clabbering?
can she have been clabbering?
can we have been clabbering?
can you have been clabbering?
can they have been clabbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I clabber?
can't you clabber?
can't she clabber?
can't we clabber?
can't you clabber?
can't they clabber? 	can't I be clabbering?
can't you be clabbering?
can't she be clabbering?
can't we be clabbering?
can't you be clabbering?
can't they be clabbering? 	can't I have clabbered?
can't you have clabbered?
can't she have clabbered?
can't we have clabbered?
can't you have clabbered?
can't they have clabbered? 	can't I have been clabbering?
can't you have been clabbering?
can't she have been clabbering?
can't we have been clabbering?
can't you have been clabbering?
can't they have been clabbering?