could jettison
Verbo regular: jettison - jettisoned- jettisoned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could jettison
you could jettison
he could jettison
we could jettison
you could jettison
they could jettison 	I could be jettisoning
you could be jettisoning
he could be jettisoning
we could be jettisoning
you could be jettisoning
they could be jettisoning	I could have jettisoned
you could have jettisoned
he could have jettisoned
we could have jettisoned
you could have jettisoned
they could have jettisoned	I could have been jettisoning
you could have been jettisoning
he could have been jettisoning
we could have been jettisoning
you could have been jettisoning
they could have been jettisoning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't jettison
you couldn't jettison
he couldn't jettison
we couldn't jettison
you couldn't jettison
they couldn't jettison 	I couldn't be jettisoning
you couldn't be jettisoning
he couldn't be jettisoning
we couldn't be jettisoning
you couldn't be jettisoning
they couldn't be jettisoning	I couldn't have jettisoned
you couldn't have jettisoned
he couldn't have jettisoned
we couldn't have jettisoned
you couldn't have jettisoned
they couldn't have jettisoned	I couldn't have been jettisoning
you couldn't have been jettisoning
he couldn't have been jettisoning
we couldn't have been jettisoning
you couldn't have been jettisoning
they couldn't have been jettisoning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I jettison?
could you jettison?
could he jettison?
could we jettison?
could you jettison?
could they jettison? 	could I be jettisoning?
could you be jettisoning?
could he be jettisoning?
could we be jettisoning?
could you be jettisoning?
could they be jettisoning? 	could I have jettisoned?
could you have jettisoned?
could he have jettisoned?
could we have jettisoned?
could you have jettisoned?
could they have jettisoned? 	could I have been jettisoning?
could you have been jettisoning?
could he have been jettisoning?
could we have been jettisoning?
could you have been jettisoning?
could they have been jettisoning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I jettison?
couldn't you jettison?
couldn't he jettison?
couldn't we jettison?
couldn't you jettison?
couldn't they jettison? 	couldn't I be jettisoning?
couldn't you be jettisoning?
couldn't he be jettisoning?
couldn't we be jettisoning?
couldn't you be jettisoning?
couldn't they be jettisoning? 	couldn't I have jettisoned?
couldn't you have jettisoned?
couldn't he have jettisoned?
couldn't we have jettisoned?
couldn't you have jettisoned?
couldn't they have jettisoned? 	couldn't I have been jettisoning?
couldn't you have been jettisoning?
couldn't he have been jettisoning?
couldn't we have been jettisoning?
couldn't you have been jettisoning?
couldn't they have been jettisoning?