could jawbone
Regular verb: jawbone - jawboned- jawboned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could jawbone
you could jawbone
she could jawbone
we could jawbone
you could jawbone
they could jawbone 	I could be jawboning
you could be jawboning
she could be jawboning
we could be jawboning
you could be jawboning
they could be jawboning	I could have jawboned
you could have jawboned
she could have jawboned
we could have jawboned
you could have jawboned
they could have jawboned	I could have been jawboning
you could have been jawboning
she could have been jawboning
we could have been jawboning
you could have been jawboning
they could have been jawboning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not jawbone
you could not jawbone
she could not jawbone
we could not jawbone
you could not jawbone
they could not jawbone 	I could not be jawboning
you could not be jawboning
she could not be jawboning
we could not be jawboning
you could not be jawboning
they could not be jawboning	I could not have jawboned
you could not have jawboned
she could not have jawboned
we could not have jawboned
you could not have jawboned
they could not have jawboned	I could not have been jawboning
you could not have been jawboning
she could not have been jawboning
we could not have been jawboning
you could not have been jawboning
they could not have been jawboning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I jawbone?
could you jawbone?
could she jawbone?
could we jawbone?
could you jawbone?
could they jawbone? 	could I be jawboning?
could you be jawboning?
could she be jawboning?
could we be jawboning?
could you be jawboning?
could they be jawboning? 	could I have jawboned?
could you have jawboned?
could she have jawboned?
could we have jawboned?
could you have jawboned?
could they have jawboned? 	could I have been jawboning?
could you have been jawboning?
could she have been jawboning?
could we have been jawboning?
could you have been jawboning?
could they have been jawboning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not jawbone?
could you not jawbone?
could she not jawbone?
could we not jawbone?
could you not jawbone?
could they not jawbone? 	could I not be jawboning?
could you not be jawboning?
could she not be jawboning?
could we not be jawboning?
could you not be jawboning?
could they not be jawboning? 	could I not have jawboned?
could you not have jawboned?
could she not have jawboned?
could we not have jawboned?
could you not have jawboned?
could they not have jawboned? 	could I not have been jawboning?
could you not have been jawboning?
could she not have been jawboning?
could we not have been jawboning?
could you not have been jawboning?
could they not have been jawboning?