could jitterbug
Verbo regular: jitterbug - jitterbuged- jitterbuged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could jitterbug
you could jitterbug
he could jitterbug
we could jitterbug
you could jitterbug
they could jitterbug 	I could be jitterbuging
you could be jitterbuging
he could be jitterbuging
we could be jitterbuging
you could be jitterbuging
they could be jitterbuging	I could have jitterbuged
you could have jitterbuged
he could have jitterbuged
we could have jitterbuged
you could have jitterbuged
they could have jitterbuged	I could have been jitterbuging
you could have been jitterbuging
he could have been jitterbuging
we could have been jitterbuging
you could have been jitterbuging
they could have been jitterbuging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't jitterbug
you couldn't jitterbug
he couldn't jitterbug
we couldn't jitterbug
you couldn't jitterbug
they couldn't jitterbug 	I couldn't be jitterbuging
you couldn't be jitterbuging
he couldn't be jitterbuging
we couldn't be jitterbuging
you couldn't be jitterbuging
they couldn't be jitterbuging	I couldn't have jitterbuged
you couldn't have jitterbuged
he couldn't have jitterbuged
we couldn't have jitterbuged
you couldn't have jitterbuged
they couldn't have jitterbuged	I couldn't have been jitterbuging
you couldn't have been jitterbuging
he couldn't have been jitterbuging
we couldn't have been jitterbuging
you couldn't have been jitterbuging
they couldn't have been jitterbuging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I jitterbug?
could you jitterbug?
could he jitterbug?
could we jitterbug?
could you jitterbug?
could they jitterbug? 	could I be jitterbuging?
could you be jitterbuging?
could he be jitterbuging?
could we be jitterbuging?
could you be jitterbuging?
could they be jitterbuging? 	could I have jitterbuged?
could you have jitterbuged?
could he have jitterbuged?
could we have jitterbuged?
could you have jitterbuged?
could they have jitterbuged? 	could I have been jitterbuging?
could you have been jitterbuging?
could he have been jitterbuging?
could we have been jitterbuging?
could you have been jitterbuging?
could they have been jitterbuging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I jitterbug?
couldn't you jitterbug?
couldn't he jitterbug?
couldn't we jitterbug?
couldn't you jitterbug?
couldn't they jitterbug? 	couldn't I be jitterbuging?
couldn't you be jitterbuging?
couldn't he be jitterbuging?
couldn't we be jitterbuging?
couldn't you be jitterbuging?
couldn't they be jitterbuging? 	couldn't I have jitterbuged?
couldn't you have jitterbuged?
couldn't he have jitterbuged?
couldn't we have jitterbuged?
couldn't you have jitterbuged?
couldn't they have jitterbuged? 	couldn't I have been jitterbuging?
couldn't you have been jitterbuging?
couldn't he have been jitterbuging?
couldn't we have been jitterbuging?
couldn't you have been jitterbuging?
couldn't they have been jitterbuging?