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
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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to occur
you ought not to occur
she ought not to occur
we ought not to occur
you ought not to occur
they ought not to occur 	I ought not to occurring
you ought not to occurring
she ought not to occurring
we ought not to occurring
you ought not to occurring
they ought not to occurring	I ought not to have occurred
you ought not to have occurred
she ought not to have occurred
we ought not to have occurred
you ought not to have occurred
they ought not to have occurred	I ought not to have been occurring
you ought not to have been occurring
she ought not to have been occurring
we ought not to have been occurring
you ought not to have been occurring
they ought not 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 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to occur?
ought you not to occur?
ought she not to occur?
ought we not to occur?
ought you not to occur?
ought they not to occur? 	ought I not to be occurring?
ought you not to be occurring?
ought she not to be occurring?
ought we not to be occurring?
ought you not to be occurring?
ought they not to be occurring? 	ought I not to have occurred?
ought you not to have occurred?
ought she not to have occurred?
ought we not to have occurred?
ought you not to have occurred?
ought they not to have occurred? 	ought I not to have been occurring?
ought you not to have been occurring?
ought she not to have been occurring?
ought we not to have been occurring?
ought you not to have been occurring?
ought they not to have been occurring?