could jig
Regular verb: jig - jiged- jiged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could jig
you could jig
he could jig
we could jig
you could jig
they could jig 	I could be jiging
you could be jiging
he could be jiging
we could be jiging
you could be jiging
they could be jiging	I could have jiged
you could have jiged
he could have jiged
we could have jiged
you could have jiged
they could have jiged	I could have been jiging
you could have been jiging
he could have been jiging
we could have been jiging
you could have been jiging
they could have been jiging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't jig
you couldn't jig
he couldn't jig
we couldn't jig
you couldn't jig
they couldn't jig 	I couldn't be jiging
you couldn't be jiging
he couldn't be jiging
we couldn't be jiging
you couldn't be jiging
they couldn't be jiging	I couldn't have jiged
you couldn't have jiged
he couldn't have jiged
we couldn't have jiged
you couldn't have jiged
they couldn't have jiged	I couldn't have been jiging
you couldn't have been jiging
he couldn't have been jiging
we couldn't have been jiging
you couldn't have been jiging
they couldn't have been jiging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I jig?
could you jig?
could he jig?
could we jig?
could you jig?
could they jig? 	could I be jiging?
could you be jiging?
could he be jiging?
could we be jiging?
could you be jiging?
could they be jiging? 	could I have jiged?
could you have jiged?
could he have jiged?
could we have jiged?
could you have jiged?
could they have jiged? 	could I have been jiging?
could you have been jiging?
could he have been jiging?
could we have been jiging?
could you have been jiging?
could they have been jiging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I jig?
couldn't you jig?
couldn't he jig?
couldn't we jig?
couldn't you jig?
couldn't they jig? 	couldn't I be jiging?
couldn't you be jiging?
couldn't he be jiging?
couldn't we be jiging?
couldn't you be jiging?
couldn't they be jiging? 	couldn't I have jiged?
couldn't you have jiged?
couldn't he have jiged?
couldn't we have jiged?
couldn't you have jiged?
couldn't they have jiged? 	couldn't I have been jiging?
couldn't you have been jiging?
couldn't he have been jiging?
couldn't we have been jiging?
couldn't you have been jiging?
couldn't they have been jiging?