could jibe
Regular verb: jibe - jibed- jibed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could jibe
you could jibe
he could jibe
we could jibe
you could jibe
they could jibe 	I could be jibing
you could be jibing
he could be jibing
we could be jibing
you could be jibing
they could be jibing	I could have jibed
you could have jibed
he could have jibed
we could have jibed
you could have jibed
they could have jibed	I could have been jibing
you could have been jibing
he could have been jibing
we could have been jibing
you could have been jibing
they could have been jibing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't jibe
you couldn't jibe
he couldn't jibe
we couldn't jibe
you couldn't jibe
they couldn't jibe 	I couldn't be jibing
you couldn't be jibing
he couldn't be jibing
we couldn't be jibing
you couldn't be jibing
they couldn't be jibing	I couldn't have jibed
you couldn't have jibed
he couldn't have jibed
we couldn't have jibed
you couldn't have jibed
they couldn't have jibed	I couldn't have been jibing
you couldn't have been jibing
he couldn't have been jibing
we couldn't have been jibing
you couldn't have been jibing
they couldn't have been jibing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I jibe?
could you jibe?
could he jibe?
could we jibe?
could you jibe?
could they jibe? 	could I be jibing?
could you be jibing?
could he be jibing?
could we be jibing?
could you be jibing?
could they be jibing? 	could I have jibed?
could you have jibed?
could he have jibed?
could we have jibed?
could you have jibed?
could they have jibed? 	could I have been jibing?
could you have been jibing?
could he have been jibing?
could we have been jibing?
could you have been jibing?
could they have been jibing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I jibe?
couldn't you jibe?
couldn't he jibe?
couldn't we jibe?
couldn't you jibe?
couldn't they jibe? 	couldn't I be jibing?
couldn't you be jibing?
couldn't he be jibing?
couldn't we be jibing?
couldn't you be jibing?
couldn't they be jibing? 	couldn't I have jibed?
couldn't you have jibed?
couldn't he have jibed?
couldn't we have jibed?
couldn't you have jibed?
couldn't they have jibed? 	couldn't I have been jibing?
couldn't you have been jibing?
couldn't he have been jibing?
couldn't we have been jibing?
couldn't you have been jibing?
couldn't they have been jibing?