could occasion
Verbo regular: occasion - occasioned- occasioned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could occasion
you could occasion
he could occasion
we could occasion
you could occasion
they could occasion 	I could be occasioning
you could be occasioning
he could be occasioning
we could be occasioning
you could be occasioning
they could be occasioning	I could have occasioned
you could have occasioned
he could have occasioned
we could have occasioned
you could have occasioned
they could have occasioned	I could have been occasioning
you could have been occasioning
he could have been occasioning
we could have been occasioning
you could have been occasioning
they could have been occasioning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't occasion
you couldn't occasion
he couldn't occasion
we couldn't occasion
you couldn't occasion
they couldn't occasion 	I couldn't be occasioning
you couldn't be occasioning
he couldn't be occasioning
we couldn't be occasioning
you couldn't be occasioning
they couldn't be occasioning	I couldn't have occasioned
you couldn't have occasioned
he couldn't have occasioned
we couldn't have occasioned
you couldn't have occasioned
they couldn't have occasioned	I couldn't have been occasioning
you couldn't have been occasioning
he couldn't have been occasioning
we couldn't have been occasioning
you couldn't have been occasioning
they couldn't have been occasioning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I occasion?
could you occasion?
could he occasion?
could we occasion?
could you occasion?
could they occasion? 	could I be occasioning?
could you be occasioning?
could he be occasioning?
could we be occasioning?
could you be occasioning?
could they be occasioning? 	could I have occasioned?
could you have occasioned?
could he have occasioned?
could we have occasioned?
could you have occasioned?
could they have occasioned? 	could I have been occasioning?
could you have been occasioning?
could he have been occasioning?
could we have been occasioning?
could you have been occasioning?
could they have been occasioning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I occasion?
couldn't you occasion?
couldn't he occasion?
couldn't we occasion?
couldn't you occasion?
couldn't they occasion? 	couldn't I be occasioning?
couldn't you be occasioning?
couldn't he be occasioning?
couldn't we be occasioning?
couldn't you be occasioning?
couldn't they be occasioning? 	couldn't I have occasioned?
couldn't you have occasioned?
couldn't he have occasioned?
couldn't we have occasioned?
couldn't you have occasioned?
couldn't they have occasioned? 	couldn't I have been occasioning?
couldn't you have been occasioning?
couldn't he have been occasioning?
couldn't we have been occasioning?
couldn't you have been occasioning?
couldn't they have been occasioning?