could occasion
Regular verb: occasion - occasioned- occasioned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not occasion
you could not occasion
he could not occasion
we could not occasion
you could not occasion
they could not occasion 	I could not be occasioning
you could not be occasioning
he could not be occasioning
we could not be occasioning
you could not be occasioning
they could not be occasioning	I could not have occasioned
you could not have occasioned
he could not have occasioned
we could not have occasioned
you could not have occasioned
they could not have occasioned	I could not have been occasioning
you could not have been occasioning
he could not have been occasioning
we could not have been occasioning
you could not have been occasioning
they could not have been occasioning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not occasion?
could you not occasion?
could he not occasion?
could we not occasion?
could you not occasion?
could they not occasion? 	could I not be occasioning?
could you not be occasioning?
could he not be occasioning?
could we not be occasioning?
could you not be occasioning?
could they not be occasioning? 	could I not have occasioned?
could you not have occasioned?
could he not have occasioned?
could we not have occasioned?
could you not have occasioned?
could they not have occasioned? 	could I not have been occasioning?
could you not have been occasioning?
could he not have been occasioning?
could we not have been occasioning?
could you not have been occasioning?
could they not have been occasioning?