could jabber
Regular verb: jabber - jabbered- jabbered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could jabber
you could jabber
she could jabber
we could jabber
you could jabber
they could jabber 	I could be jabbering
you could be jabbering
she could be jabbering
we could be jabbering
you could be jabbering
they could be jabbering	I could have jabbered
you could have jabbered
she could have jabbered
we could have jabbered
you could have jabbered
they could have jabbered	I could have been jabbering
you could have been jabbering
she could have been jabbering
we could have been jabbering
you could have been jabbering
they could have been jabbering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not jabber
you could not jabber
she could not jabber
we could not jabber
you could not jabber
they could not jabber 	I could not be jabbering
you could not be jabbering
she could not be jabbering
we could not be jabbering
you could not be jabbering
they could not be jabbering	I could not have jabbered
you could not have jabbered
she could not have jabbered
we could not have jabbered
you could not have jabbered
they could not have jabbered	I could not have been jabbering
you could not have been jabbering
she could not have been jabbering
we could not have been jabbering
you could not have been jabbering
they could not have been jabbering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I jabber?
could you jabber?
could she jabber?
could we jabber?
could you jabber?
could they jabber? 	could I be jabbering?
could you be jabbering?
could she be jabbering?
could we be jabbering?
could you be jabbering?
could they be jabbering? 	could I have jabbered?
could you have jabbered?
could she have jabbered?
could we have jabbered?
could you have jabbered?
could they have jabbered? 	could I have been jabbering?
could you have been jabbering?
could she have been jabbering?
could we have been jabbering?
could you have been jabbering?
could they have been jabbering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not jabber?
could you not jabber?
could she not jabber?
could we not jabber?
could you not jabber?
could they not jabber? 	could I not be jabbering?
could you not be jabbering?
could she not be jabbering?
could we not be jabbering?
could you not be jabbering?
could they not be jabbering? 	could I not have jabbered?
could you not have jabbered?
could she not have jabbered?
could we not have jabbered?
could you not have jabbered?
could they not have jabbered? 	could I not have been jabbering?
could you not have been jabbering?
could she not have been jabbering?
could we not have been jabbering?
could you not have been jabbering?
could they not have been jabbering?