ought to occur
Verbo regular: occur - occurred- occurred

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to occur
you ought to occur
she 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
she 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
she 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
she ought to have been occurring
we ought to have been occurring
you ought to have been occurring
they ought to have been occurring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I oughtn't to occur
you oughtn't to occur
she 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
she 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
she 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
she 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I occur?
ought to you occur?
ought to she 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 she 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 she 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 she have been occurring?
ought to we have been occurring?
ought to you have been occurring?
ought to they have been occurring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
oughtn't I to occur?
oughtn't you to occur?
oughtn't she 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 she 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 she 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 she 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?