ought to occur
Verbo regular: occur - occurred- occurred

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to occur
you ought to occur
he ought to occur
we ought to occur
you ought to occur
they ought to occur 	I ought to be occurring
you ought to be occurring
he ought to be occurring
we ought to be occurring
you ought to be occurring
they ought to be occurring	I ought to have occurred
you ought to have occurred
he ought to have occurred
we ought to have occurred
you ought to have occurred
they ought to have occurred	I ought to have been occurring
you ought to have been occurring
he ought to have been occurring
we ought to have been occurring
you ought to have been occurring
they ought to have been occurring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to occur
you oughtn't to occur
he oughtn't to occur
we oughtn't to occur
you oughtn't to occur
they oughtn't to occur 	I oughtn't to be occurring
you oughtn't to be occurring
he oughtn't to be occurring
we oughtn't to be occurring
you oughtn't to be occurring
they oughtn't to be occurring	I oughtn't to have occurred
you oughtn't to have occurred
he oughtn't to have occurred
we oughtn't to have occurred
you oughtn't to have occurred
they oughtn't to have occurred	I oughtn't to have been occurring
you oughtn't to have been occurring
he oughtn't to have been occurring
we oughtn't to have been occurring
you oughtn't to have been occurring
they oughtn't to have been occurring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I occur?
ought to you occur?
ought to he occur?
ought to we occur?
ought to you occur?
ought to they occur? 	ought to I be occurring?
ought to you be occurring?
ought to he be occurring?
ought to we be occurring?
ought to you be occurring?
ought to they be occurring? 	ought to I have occurred?
ought to you have occurred?
ought to he have occurred?
ought to we have occurred?
ought to you have occurred?
ought to they have occurred? 	ought to I have been occurring?
ought to you have been occurring?
ought to he have been occurring?
ought to we have been occurring?
ought to you have been occurring?
ought to they have been occurring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to occur?
oughtn't you to occur?
oughtn't he to occur?
oughtn't we to occur?
oughtn't you to occur?
oughtn't they to occur? 	oughtn't I to be occurring?
oughtn't you to be occurring?
oughtn't he to be occurring?
oughtn't we to be occurring?
oughtn't you to be occurring?
oughtn't they to be occurring? 	oughtn't I to have occurred?
oughtn't you to have occurred?
oughtn't he to have occurred?
oughtn't we to have occurred?
oughtn't you to have occurred?
oughtn't they to have occurred? 	oughtn't I to have been occurring?
oughtn't you to have been occurring?
oughtn't he to have been occurring?
oughtn't we to have been occurring?
oughtn't you to have been occurring?
oughtn't they to have been occurring?